Maybe it’s not the torque converter!

The Sonnax parts listed here correct transmission problems which are to blame for a variety of torque converter complaints. Many of these parts also can prevent damage to newly installed converters, making them key components in a quality rebuild. Always ask for GENUINE Sonnax parts!

Understanding the connection between transmission components is critical when building a healthy unit or diagnosing a problem one.

Learn More in 'Anatomy of a Transmission'

Aisin AW

55-50SN, 55-51SN

Shift Pressure Control Valve Kit 59947-38K

Also fits Aisin AW 55-51SN, AF 23/33 and RE5F22A units.

Helps cure:

2-3 Harsh
3-4 Harsh
No 5th
4-5 Harsh
Low Reverse pressure
C2 Clutch burned
B1 Clutch burned
B2 Clutch burned
High line pressure in Reverse

55-50SN, 55-51SN

Shift Pressure Control Plunger Valve Kit 59947-75K

Also fits AF 23/33 and RE5F22A units.

Helps cure:

2-3 Quality poor
3-4 Harsh
4-5 Harsh
B1 Clutch burned
Low Reverse pressure
B2 Clutch burned
C2 Clutch burned
High line pressure

55-50SN, 55-51SN

Oversized Pressure Regulator & Boost Valve Kit 59947-12K

Helps cure:

Soft shifts
Delayed shifts
Delayed engagement
TCC apply & release concerns
Harsh shifts

55-50SN, 55-51SN

Oversized Lockup Relay Valve Kit 59947-77K

Helps cure:

No lockup
TCC apply & release concerns
Delayed lockup
Burnt converter
Inadequate lubrication

55-50SN, 55-51SN

Remanufactured Linear Solenoid Kit 59947-68K

Early/Short

Helps cure:

Flare shifts
Bang shifts
Shift concerns
Harsh Forward
No lockup
Harsh Reverse
Harsh TCC apply
Low TCC apply pressure
Soft upshifts

55-50SN, 55-51SN

Oversized B4 Release Valve Kit 59947-26K

Helps cure:

2-3 Flare
2-3 Neutral
3-2 Harsh
3-2 Neutral

55-50SN, 55-51SN

Oversized Secondary Regulator Valve Kit 59947-16K

Also fits AW55-51SN, AF 23/33 and RE5F22A units.

Helps cure:

TCC slip
TCC surge
Overheated fluid, bushings & converter
Poor shift quality
Harsh Reverse
Low lube oil flow
Bushing failure

TF-60SN, TF-80SC, TF-81SC, TR-60SN

Accumulator Piston Kit 39741-42K

Helps cure:

Severe wear at accumulator bores
Low clutch oil pressure
Low TCC pressure
Low EPC pressure

TF-80SC, TF-81SC

Oversized C2 Clutch Control Valve Kit 39741-46K

Also fits Volvo (AM6), Opel (AF40); Peugeot (TF-80), Saab (AF40/6), LandRover (TF-80), Ford (AF21) and Mazda (AW6A-EL).

Helps cure:

3-4 Flare
4-5-6 Slip
Erratic shift timing
C2 Clutch burned
Pressure control out-of-range codes

TF-80SC, TF-81SC

Oversized B1 Band Control Valve Kit 39741-48K

Also fits Volvo (AM6); Opel (AF40); Peugeot (TF80); Saab (AF40/6); LandRover (TF80); Ford (AF21) & Mazda (AW6A-EL).

Helps cure:

1-2 Flare
2nd Slip
5-6 Flare
6th Slip
B1 band burned
Gear ratio & solenoid codes
Erratic shift timing
Harsh shifts

TF-80SC, TF-81SC

Oversized C3 Clutch Control Valve Kit 39741-50K

Also fits Volvo (AM6), Opel (AF40), Peugeot (TF-80), Saab (AF40/6), Land Rover (TF-80), Ford (AF21) and Mazda (AW6A-EL).

Helps cure:

2-3 Shift concerns
4-5 Concerns
Delayed Reverse
C3 Clutch burned
Slips & flares
Pressure control out-of-range codes

TF-80SC, TF-81SC

Boost Valve Kit 39741-44K

This kit also fits Volvo (AM6), Opel (AF40), Peugeot (TF80), Saab (AF40/6), Land Rover (TF80), Ford (AF21) and Mazda (AW6A-EL).

Helps cure:

Delayed Reverse
Low line rise in Reverse
B2 Brake clutches burned
C3 Clutch burned

TF-80SC, TF-81SC

Secondary Pressure Regulator Valve Kit 39741-11K

Helps cure:

TCC codes
TCC slip
TCC surge
Loss of lube oil
Overheated fluid, bushings & converter
Poor shift quality
Harsh Reverse

Aisin AW, Mini, VW/Audi

09G, 09K, 09M, 6F21WA, TF-60SN

Boost Valve Kit 15741-51K

Helps cure:

Delayed Reverse
Low line rise in Reverse
B2 Brake clutches burned
K3 Clutch burned

09G, 09K, 09M, 6F21WA, TF-60SN

K2 Clutch Control Valve Kit 15741-05K

Helps cure:

3-4 Flare
K2 Clutch burned
Gear ratio & solenoid codes
Erratic shift timing
Harsh shifts

09G, 09K, 09M, 6F21WA, TF-60SN

Oversized K2 Clutch Control Valve Kit 15741-57K

Helps cure:

Erratic shift timing
Flare shifts
Harsh shifts
K2 Clutch burned
Gear ratio & solenoid codes

09G, 09K, 09M, 6F21WA, TF-60SN

Secondary Pressure Regulator Valve Kit 15741-11K

Helps cure:

TCC codes
TCC apply & release concerns
TCC slip
TCC surge
Overheated fluid, bushings & converter

09G, 09K, 09M, 6F21WA, TF-60SN, TF-80SC, TF-81SC

Oversized Clutch Cutoff Valve Kit 15741-63K

Fits several locations, see note for details.

Helps cure:

Erratic shift timing
Failsafe mode
Harsh shifts
Burnt clutches
Overheated fluid
Ratio codes
Slipping gears
Soft shifts

09G, 09K, 09M, 6F21WA, TF-60SN, TF-80SC, TF-81SC

Oversized Three-Spool Relay/Control/Switch Valve Kit 15741-50K

This kit can be used in any of six locations in three different valve body applications. See instructions for details.

Helps cure:

Gear ratio & solenoid codes
Various shift concerns
No shift

09G, 09K, 09M, 6F21WA, TF-60SN, TF-80SC, TF-81SC

Oversized Two-Spool Relay/Signal Valve Kit 15741-49K

This kit can be used in any of nine locations in five different valve body applications.

Helps cure:

Gear ratio & solenoid codes
Various shift concerns
No shift

09G, 09K, 09M, 6F21WA, TF-60SN, TF-80SC, TF-81SC

Oversized C1/K1 Clutch Control Valve Kit 15741-55K

Fits C1 clutch control bore for TF-80SC & TF-81SC. Fits K1 clutch control bore for TF-60SN (09G, 09K, 09M, Mini 6F21WA). Also fits Volvo (AM6), Opel (AF40), Saab (AF40/6), Ford (AF21) and Mazda (AW6A-EL).

Helps cure:

C1 Clutch burned
K1 Clutch burned
Coastdown Neutral
Delayed Forward
Gear ratio & solenoid codes
Erratic shift timing
Flare shifts
Harsh shifts

09G, 09K, 09M, 6F21WA, TF-60SN, TF-80SC, TF-81SC

C1/K1 Clutch Control Valve Kit 15741-25K

Fits C1 clutch control bore for TF-80SC & TF-81SC. Fits K1 clutch control bore for for TF-60SN, 09G, 09K, 09M and Mini 6F21WA. Also fits Volvo (AM6), Opel (AF40), Saab (AF40/6), Ford (AF21) and Mazda (AW6A-EL).

Helps cure:

Coastdown Neutral
Delayed Forward
Gear ratio & solenoid codes
K1 Clutch burned
C1 Clutch burned
Erratic shift timing
Flare shifts
Harsh shifts

Aisin AW, Toyota/Lexus

81-40LE, A245E, A246E, A340E, A340F, A650E

Lockup Relay Control Valve Kit 77741-02K

For A245E, A246E applications, this part only fits '05-later units with casting code 9132 on the upper valve body.

Helps cure:

TCC apply & release concerns
TCC codes
RPM fluctuation
Inadequate lubrication
Bushing failure
Overheated fluid

Aisin AW, VW/Audi

09D, TR-60SN

Secondary Pressure Regulator Valve Kit 25741-11K

Helps cure:

TCC codes
TCC slip
Converter shudder
TCC surge
Overheated fluid, bushings & converter

Allison

1000/2000/2400

Oversized E-Shift Valve Kit 37000-15K

Fits '00–'09 units only.

Helps cure:

Code P0872
Code P1711
Pressure switch stuck on
Failsafe mode

AT-500

Center Support Bushing S29506468

Fits Allison AT 540, AT 542, AT 543, AT 545, AT 1542 & AT 1545

Material: Bimetal
Bushing Style: Precision
Housing Bore: 1.598"
Shaft Dia.: 1.466"
Width: 1.850"

Helps cure:

4th Clutch burned
4th Slip
Bushing failure
Bushing wear
No 4th
No Reverse
Reverse slip

Chrysler

40TE, 40TES, 41AE, 41TE, 41TES, 42LE

The Sure Cure® Kit SC-41TE

Helps cure:

Overheated transmission & converter
Cooler restriction caused by lining material
High CVIs
Low/Reverse switch code
Poor lube oil control
High line pressure
1-2 Shudder
2nd Gear starts
Coastdown clunk
Harsh shifts
Slide shifts
Erratic TCC apply
Converter shudder & failure
TCC deflection & lining failure

40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RE, 42RH, 42RLE, 62TE, A670, A904

Pump Bushing 12502-01

Precision

Bushing Style: Precision
Material: Steel-backed bimetal
Width: 0.535"
Shaft Dia.: 1.498"
Housing Bore: 1.619"

Helps cure:

Pump seal leakage
Pump noise
Loss of prime
Low pump volume
Low cooler flow
TCC codes
Switch codes

40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 45RFE, 545RFE, 62TE, 65RFE, 66RFE, 68RFE

Solenoid Switch Valve Plug Kit 92835-02K

Fits bores containing OE switch valve with .420" dia. large spool only.

Helps cure:

Codes 841, 868, 871, 988, 1775, 1776
Failsafe mode
TCC apply & release concerns (41 & 42 series)
OD clutch burned
Wrong gear starts
Bind-up
Engine stall (41 & 42 series)
No lockup (41 & 42 series)

40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 45RFE, 545RFE, 62TE, 65RFE, 66RFE, 68RFE

Oversized Solenoid Switch Valve & Plug Kit 92835-32K

Fits bores containing OE switch valve with .420" dia. large spool only.

Helps cure:

Codes 841, 868, 871, 988, 1775, 1776
OD clutch burned
Failsafe mode
Bind-up
2nd Gear starts w/MIL on
4th Clutch burned
Engine stall (41 & 42 series)
TCC apply & release concerns (41 & 42 series)
2nd Gear starts w/MIL on

40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE

Oversized Solenoid Switch Valve Plug Kit 92835-22K

Fits bores containing OE switch valve with .453" dia. large spool only.

Helps cure:

Codes 841, 868, 871, 988, 1775, 1776
Failsafe mode
TCC apply & release concerns (41 & 42 series)
OD clutch burned
Wrong gear starts
Bind-up
Engine stall (41 & 42 series)
No lockup (41 & 42 series)

40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 45RFE, 545RFE, 65RFE, 66RFE, 68RFE

Oversized Solenoid Switch Valve & Plug Kit 92835-31K

Fits bores containing OE switch valve with .453" dia. large spool only.

Helps cure:

Codes 841, 868, 871, 988, 1775, 1776
OD clutch burned
Failsafe mode
Bind-up
2nd Gear starts w/MIL on
4th Clutch burned
Engine stall (41 & 42 series)
TCC apply & release concerns (41 & 42 series)

40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 62TE

Converter Regulator Valve Kit 92835-03K

Not for use with #33 plates and bodies. Can be used with all later designs.

Helps cure:

Converter shudder & failure
TCC lockup surge
TCC deflection & lining failure
Planetary failure
Cooler restriction

40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 62TE

Oversized TCC Control & Plunger Valve Kit 92835-33K

Not for use in early 40TE, 41TE, or 41AE units with #33 separator plates.

Helps cure:

Excess TCC slip
TCC shudder
TCC codes
Overheated fluid & TCC lining
TCC apply & release concerns
Loss of fuel economy

40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 62TE

Oversized TCC Regulator Valve Kit 92835-37K

Fits '95-later only

Helps cure:

Damaged converter
TCC codes
No TCC release
Excess converter pressure
Excess cooler pressure
High TCC release pressure
Low TCC release pressure

40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 62TE

Overdrive Clutch Hub Bushing 92004-L

Fits late-style hubs with shaft O.D. of 1.162" and housing bore of .937".

Bushing Style: Precision
Material: Steel-backed bimetal
Inner Dia.: 0.837"
Width: 1.141"
Housing Bore: 0.937"
Shaft Dia.: 0.835"

Helps cure:

Planetary failure
Shaft breakage
Bushing failure
Bushing wear

40TE, 40TES, 41AE, 41TE, 41TES, 42LE, 42RLE, 62TE

Overdrive Clutch Hub Bushing 92004-LOS

Fits late-style hubs with shaft O.D. of 1.162" AND housing bore of .941".

Bushing Style: Precision
Material: Steel-backed bimetal
Inner Dia.: 0.841"
Width: 1.141"
Housing Bore: 0.941"
Shaft Dia.: 0.839"

Helps cure:

Planetary failure
Shaft breakage
Bushing failure
Bushing wear

40TE, 40TES, 41AE, 41TE, 41TES, 42LE, A404, A413, A470, A670

Shim 39540-Z5

For 2.88" Differential Bearing , .005" Thick

Material: Steel
Inner Dia.: 2.495"
Thickness: 0.005"
Outer Dia.: 2.835"

Helps cure:

Excess endplay

40TE, 40TES, 41AE, 41TE, 41TES, 42LE, A404, A413, A470, A670

Shim 39539-Z5

Material: Steel
Inner Dia.: 0.161"
Thickness: 0.005"
Outer Dia.: 2.415"

Helps cure:

Excess endplay

40TE, 41AE, 41TE, 42LE

Overdrive Clutch Hub Bushing 92004-SP

Fits early-style hubs with shaft O.D. of 1.142" and housing bore of .959".

Bushing Style: Precision
Material: Steel-backed bimetal
Inner Dia.: 0.837"
Width: 1.220"
Housing Bore: 0.959"
Shaft Dia.: 0.835"

Helps cure:

Planetary failure
Shaft breakage
Bushing failure
Bushing wear

40TE, 41AE, 41TE, 42LE, 42RLE

Pressure Regulator Sleeve 92835-07

Non-VLP units only

Helps cure:

High line pressure
Harsh shifts
Erratic TCC apply pressure
Poor lube oil control

42RE, 42RH

The Sure Cure® Kit SC-42RHE

Helps cure:

Low cooler flow
Lube failures
Build up of release pressure during lockup
Converter bushing failure
Lockup shudder
Overheated converter
Soft TCC apply

42RE, 42RH, 46RE, 46RH, 47RE

Oversized O.D. Sprag Pilot Bushing 12509-01

Fits '88-later units.

Bushing Style: Precision
Material: Steel-backed bimetal
Width: 0.710"
Shaft Dia.: 2.140"
Housing Bore: 2.301"

Helps cure:

OD roller clutch failure
Aftermarket replacement bushings are a poor fit in output shaft housing

42RE, 42RH, 46RE, 46RH, 47RE, 47RH

Intermediate Plug & Pilot Kit 22171A-02K

Helps cure:

Poor lube oil control
Recontamination of new parts
Unable to clean shaft

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, 48RE, A727, A904

Cooler Line Repair Kit 22000-01K

For cases with 1/4" pipe fittings only.

Helps cure:

Oil leaks

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, 48RE, A727, A904

Cooler Line Adapter 22000-01

For cases with 1/4" pipe fittings only.

Helps cure:

Oil leaks

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, 48RE, A727, A904

Shift Lever Case Bore Repair Sleeve 22179-02

Helps cure:

Leaking manual shaft case seal

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, 48RE, A727, A904

Governor Bore Plug Kit 22771-14K

Helps cure:

1-2 Shuttle
2-3, 3-2 Oversensitive
Difficulty in adjusting shift timing with TV linkage
Early upshifts

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, 48RE, A727, A904

Oversized Throttle Valve Kit 22771-04K

Fits all Chrysler RWD models, including ‘05-later units with motorized linkage.

Helps cure:

Shift timing concerns
Throttle buzz
Poor kickdown
2-3 Late
3-2 Oversensitive

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, 48RE, A727, A904

Throttle Valve Kit 22771-03K

Fits all Chrysler RWD models, including ‘05-later units with motorized linkage.

Helps cure:

Shift timing concerns
Throttle buzz
Poor kickdown
2-3 Late
3-2 Oversensitive

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, 48RE, A727, A904

Oversized Lockup Boost Valve Kit 22771-19K

Helps cure:

TCC slip under load
No line rise during TCC apply in 4th
Overheated converter
Loss of lube oil
High line pressure with no indication of boost
No lockup
TCC cycling

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, 48RE, A727, A904

Reverse Servo Piston Plug Kit 22912-01K

Helps cure:

No Reverse
Burnt Reverse band
Reverse servo piston plug breakage
Reverse servo piston plug wear

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, 48RE, A727, A904

Manual Valve 22771-09

For use in conjunction with '78-later pressure regulator valve only; see instructions for details.

Helps cure:

Delayed engagement
No cooler flow in Park
Converter bushing failure
Overheated converter
Forward clutch drags in Park

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, 48RE, A727, A904

Lube Regulated Pressure Regulator Valve 22771A-02K

OE valve must match '78-later design. See instructions for details.

Helps cure:

Delayed engagement
Pressure regulator buzz
Lube failures
Converter bushing failure

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, 48RE, A727, A904

Boost Valve Spring Retainer 22990-01

Helps cure:

Leakage of 4th & TCC oil pressure
Slipping gears

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, A727

Line Pressure Plug & Sleeve Kit 22229-01K

Helps cure:

Reverse slip
Poor line pressure control
Poor Forward & Reverse engagement
Poor cooler charge at idle

42RE, 42RH, 46RE, 46RH, 47RE, 47RH, A727

Line Pressure Plug & Sleeve Kit 22229-04K

Helps cure:

Reverse slip
Poor line pressure control
Poor Forward & Reverse engagement
Poor cooler charge at idle

45RFE, 545RFE, 65RFE, 66RFE, 68RFE

TC Limit Valve Kit 44912-03K

Helps cure:

Delayed engagement
Loss of power
Engine stall
Low TCC release pressure
Loss of fuel economy
Low cooler flow
Overheated converter

46RE, 46RH, 47RE, 47RH

The Sure Cure® Kit SC-46-47RHE-OS

Helps cure:

2-3 Late
2-3 Oversensitive
Build up of release pressure during lockup
Converter bushing failure
Delayed engagement
Lockup shudder
Low cooler flow
Lube failures
Overheated converter
Poor cooler charge at idle
Poor Forward & Reverse engagement
Poor kickdown
Poor line pressure control
PR valve buzz
Reverse slip
Shift timing concerns
Soft TCC apply

46RE, 46RH, 47RE, 47RH, 48RE, A727

Front Servo Piston Cover Kit 22827-01

Helps cure:

2-3 Long slide
Direct clutch failure
Direct clutch failure

48RE

Line Pressure Plug & Sleeve Kit 22771A-19K

Helps cure:

Reverse slip
Poor Forward & Reverse engagement
Poor line pressure control
Poor cooler charge at idle
Soft Reverse

48RE

The Sure Cure® Kit SC-48RE

Helps cure:

Build up of release pressure during lockup
Converter bushing failure
Delayed engagement
Lockup shudder
Lube failures
Overheated converter
Poor cooler charge at idle
Poor detent & upshift control
Poor Forward & Reverse engagement
PR valve buzz
Reverse slip
Soft TCC apply
Throttle buzz
Low cooler flow

A404, A413, A470, A670

Shim 32539-Z5

Transfer Gear

Material: Steel
Inner Dia.: 1.045"
Thickness: 0.005"
Outer Dia.: 1.330"

Helps cure:

Excess endplay

A404, A413, A470, A670

Oversized Throttle Valve Kit 32229-01K

Helps cure:

Throttle buzz
2-3 Late
3-2 Oversensitive
Poor kickdown
Shift timing concerns

Ford

4F50N, AX4N

Oversized Bypass Clutch Control Valve Kit 96206-05K

Helps cure:

Code P0741
TCC shudder
TCC cycling
Excess TCC slip
TCC apply & release concerns

4F50N, AX4N

The Sure Cure® Kit SC-AX4N

Helps cure:

Clutch & band failures
Non-adjustable (high) throttle pressure
1-2 Flare
2-3 Flare
2-1 Clunk
Neutral after 4th
No 4th
Harsh Reverse
No Forward
Delayed engagement
TCC cycling
TCC surge
Code 741, 1741, 1744
TCC apply & release concerns
TCC codes & overheating

4F50N, AX4N, AX4S, AXOD, AXODE

Driven Sprocket Shaft Support Bushing 96008-01

Bushing Style: Precision
Material: Bimetal
Width: 0.532"
Shaft Dia.: 1.492"
Housing Bore: 1.633"

Helps cure:

Worn Driven sprocket bushing journal
Bushing wear
Bushing failure

4F50N, AX4N, AX4S, AXOD, AXODE

Repair Sleeve 96803

Channel Plate, Hardened & Ground

Helps cure:

Delayed Forward
Loss of lubrication oil to planetaries
No cooler flow
Internal leakage

4F50N, AX4N, AX4S, AXODE

Oversized Converter Regulator Valve Kit 96201-23K

Helps cure:

Code 628, 741, 744
TCC cycling
Overheating & reduced lube feed
Delayed engagement
Overheated converter
Blued converter
TCC surge
4th Slip
Coastdown Neutral
No 4th

4R100, 4R70E, 4R70W, 4R75E, 4R75W, AOD, AODE, C6, E4OD

Pump Bushing 36002-01

Finish-in-Place

Bushing Style: Finish-in-Place
Material: Steel-backed bronze
Width: 0.695"
Shaft Dia.: 1.996"
Housing Bore: 2.124"

Helps cure:

Leaking front seal
Pump noise
Excess converter hub-to-bushing clearance
Low pump volume

4R100, E4OD

Center Support Gasket 36743G

Silicone Printed

Helps cure:

Forward clutch failure
Low lube oil flow

4R100, E4OD

Oversized Converter Clutch Regulator Valve Kit 36424-11K

Fits Ford E40D and 4R100 with F1, F5, F8 and E9 stamped pump castings.

Helps cure:

Internal converter damage
Excess converter pressure
Low converter & converter clutch apply pressure

4R100, E4OD

Line-To-Lube Pressure Regulator Valve 36424-04K

Fits Ford E4OD and 4R100 with F1, F5, F8 and E9 stamped pump castings.

Helps cure:

Code 62, 628, 1744
Engine stall on engagement in Reverse
High line pressure
Engine stumble on engagement in Reverse
Overheated converter

4R100, E4OD

Oversized Line-to-Lube Pressure Regulator Valve Kit 36424-16K

Fits Ford E40D and 4R100 with F1, F5, F8 and E9 stamped pump castings.

Helps cure:

Code 62, 628, 1744
Engine stall on engagement in Reverse
High line pressure
Engine stumble on engagement in Reverse
Overheated converter

4R44E, 4R55E, 4R70E, 4R70W, 4R75E, 4R75W, 5R44E, 5R55E, A4LD, AOD, AODE

Shift Lever Case Bore Repair Sleeve 56361-01K

Helps cure:

Manual valve moves out of position
Leaking manual shaft case seal

4R44E, 4R55E, 5R44E, 5R55E

TCC Regulator Valve Spring Kit 37947-46K

Helps cure:

Code P0741
Low TCC apply pressure
Low spring rate on 2.3L TCC regulator valve
Damaged valve body casting

4R44E, 4R55E, 5R44E, 5R55E

TCC Modulator Sleeve Kit 37947-07K

Helps cure:

Code 1741
No lockup
Engine stall on FWD engagement
Poor converter fill & delayed engagements
Low cooler flow

4R44E, 4R55E, 5R44E, 5R55E

Oversized Solenoid Regulator Valve Kit 37947-48K

Helps cure:

Wrong gear starts
Solenoid performance codes
TCC codes & concerns
Harsh shifts
Soft shifts
Burnt TCC apply components
Burnt clutches

4R44E, 4R55E, 5R44E, 5R55E, A4LD

Crankshaft Spacer 56000-CS6

Material: Steel
Bolt Holes: 6
Outer Dia.: 2.972"
Inner Dia.: 0.751"
Thickness: 0.875"

Helps cure:

Vibration
Front pump/converter seal leaks
Worn crankshaft spacer
Cracked crankshaft spacer
Cracked flywheel
Converter misalignment

4R44E, 4R55E, 5R44E, 5R55E, A4LD

Crankshaft Spacer 56000-CS8

Material: Steel
Bolt Holes: 8
Outer Dia.: 2.972"
Inner Dia.: 0.751"
Thickness: 0.872"

Helps cure:

Vibration
Leaking front pump seal
Leaking converter seal
Worn crankshaft spacer
Cracked crankshaft spacer
Cracked flywheel
Converter misalignment

4R70E, 4R70W, 4R75E, 4R75W, AOD, AODE

O-Ringed End Plug Kit 76999-MED

Helps cure:

Erratic shift timing
Oil leaks

4R70E, 4R70W, 4R75E, 4R75W, AOD, AODE

2-3 Accumulator Piston Kit 76890-21K

Helps cure:

No Forward unless RPM increased
Low line pressure in Forward
Bonded piston seal delamination
Direct clutch failure
OD band distress

4R70E, 4R70W, 4R75E, 4R75W, AODE

Bypass Clutch Control Plunger Valve Kit 76948-04K

Helps cure:

Shudder
Code 628
No lockup
TCC apply & release concerns
Delayed lockup

4R70E, 4R70W, 4R75E, 4R75W, AODE

The Sure Cure® Kit SC-AODE-4R75E

For AODE, fits '96-later only.

Helps cure:

2-3 Neutral
4-3 Neutral
Band failure
Burnt OD band
Case damage
Clutch failure
Code 628
Delayed lockup
Delayed Reverse
Erratic Reverse pressure
Erratic shifts
Loss of Forward under hard acceleration from a stop
Low line rise
Neutral after 4th
No 2nd
No 4th
No lockup
Shudder
Soft shifts
TCC apply & release concerns
Uncontrolled pressure in Reverse
TCC slip codes

4R70E, 4R70W, 4R75E, 4R75W, AODE

Zip Kit® AODE-4R75E-ZIP

For AODE, fits '96-later only

Helps cure:

4-3 Neutral
Code 628
Delayed lockup
Forward clutch failure
Intermediate roller clutch failure
Low line rise
Low Reverse boost
Mechanical diode failure
No 4th
OD band failure
Poor shift quality
Soft shifts
TCC apply & release concerns

4R70E, 4R70W, 4R75E, 4R75W, AODE

Smart-Tech® Forward Clutch Drum 76654-01K

Compatible with ISS-equipped and non ISS-equipped applications

Helps cure:

No Forward
Slipping gears
Broken clutch drum
Ratio codes

4R70E, 4R70W, 4R75E, 4R75W, AODE

Solenoid Regulator Valve Kit 76948-14K

Helps cure:

Erratic shifts
Loss of Forward under hard acceleration from a stop
2-3 Neutral
Neutral after 4th
No 2nd
3rd & Reverse only

4R70E, 4R70W, 4R75E, 4R75W, AODE

Oversized Solenoid Regulator Valve Kit 76948-47K

Helps cure:

Erratic shifts
Loss of Forward under hard acceleration from a stop
2-3 Neutral
Neutral after 4th
No 2nd
3rd & Reverse only

4R70W, AODE

The Sure Cure® Kit SC-AODE

'95-Earlier

Helps cure:

Clutch failure
Throttle buzz
Shudder
Low line rise
Low Reverse boost
Delayed Forward
Delayed lockup
No lockup
Code 628, 741, 1741
TCC apply & release concerns

5R110W

Pressure Switch O-Ringed End Plug Kit 36940-17K

This kit fits any of five locations.

Helps cure:

Loss of shift solenoid control pressure
Shift concerns

5R110W

Converter Pressure Limit Valve Kit 36940-06K

Fits '05-later units. Replaces OE valves with balance spool diameter of .298" or .312" only; NOT compatible with .402" dia. valves.

Helps cure:

Harsh TCC apply
Soft TCC apply
TCC codes
TCC slip
TCC lining failure
Erratic TCC apply pressure
Excess converter pressure

6F35 (Gen. 1), 6F35 (Gen. 2)

Oversized Solenoid Pressure Regulator Valve 144740A-01

Helps cure:

Harsh shifts
Flare shifts
No 4th
No 5th
No 6th
Low clutch oil pressure

6F35 (Gen. 1), 6F35 (Gen. 2)

Oversized TCC Regulator Valve Kit 144740-19K

Helps cure:

Code P0741
Code 742
No lockup
TCC slip
Harsh TCC apply
Loss of fuel economy
Low TCC apply pressure
Overheated fluid & TCC lining

6F35 (Gen. 1), 6F35 (Gen. 2)

Oversized Pressure Regulator Valve Kit 144510-03K

Helps cure:

Poor shift quality
TCC apply & release concerns
Erratic line pressure
Burnt clutches
Low converter & lube flow
Overheating

6F35 (Gen. 1), 6F35 (Gen. 2)

Oversized TCC Control Valve Kit 144510-07K

Helps cure:

Excess TCC slip
TCC codes
Shudder
TCC apply & release concerns
Low cooler flow
Overheating
Low converter & lube flow
TCC lining failure

6R140

Zip Kit® 6R140-ZIP

Helps cure:

Delayed engagement
Excess heat
Flare shifts & bind-ups
Harsh engagement
Harsh shifts
Slipping gears
TCC apply & release concerns
Soft shifts

6R140

Oversized TCC Charge Limit Valve Kit 126740-01K

Helps cure:

Engine stall
TCC codes
No TCC release
Overheated fluid
Low TCC release pressure
High TCC release pressure
Low converter & lube flow
TCC lining failure

6R140

Oversized Converter Limit Valve Kit 126740-19K

Helps cure:

Excess TCC slip
TCC codes
TCC apply & release concerns
Lube failures
Low converter & lube flow
Reduced clutch life

6R140

Oversized Line Pressure Control Valve Kit 126740-08K

Helps cure:

Poor shift quality
TCC apply & release concerns
Erratic line pressure
Burnt clutches
Low converter & lube flow
Overheating

6R140

Oversized Forward Clutch Regulator Valve Kit 126740-13K

Helps cure:

Delayed Forward
No Forward
Gear ratio & solenoid codes
Failsafe mode
Slipping gears
Burnt Forward clutch
Overheated fluid

6R140

Oversized Direct Clutch Regulator Valve Kit 126740-11K

Helps cure:

Delayed Reverse
2-3 Flare
4-5 Flare
Ratio codes
3rd Slip
5th Slip
Direct clutch burned
Bind-up
Reverse slip

A4LD

O-ringed End Plug Kit 56947-MED

Medium

Helps cure:

Erratic shift timing
Low line pressure
Low throttle pressure
Delayed Reverse
Oil leaks

A4LD

O-ringed End Plug Kit 56947-LRG

Large

Helps cure:

Erratic shift timing
Low line pressure
Low throttle pressure
Delayed Reverse
Oil leaks

A4LD

O-ringed End Plug Kit 56947-SML

Small

Helps cure:

Erratic shift timing
Low line pressure
Low throttle pressure
Delayed Reverse
Oil leaks

A4LD

O-Ringed End Plug Kit 56947-14K

Helps cure:

Erratic shift timing
Low line pressure
Low throttle pressure
Delayed Reverse
Oil leaks

A4LD

Boost Valve Kit 56947-05K

Small Ratio, Factory Style

Helps cure:

Delayed Reverse
Soft upshifts
Low line pressure in Forward
Low line pressure in Reverse
Poor modulator control

A4LD

Boost Valve Kit 56947-02K

Large Ratio, O-ring style

Helps cure:

Delayed Reverse
Soft upshifts
Low line pressure in Forward
Low line pressure in Reverse
Poor modulator control

A4LD

Anti-Shudder Spring 56995A

Helps cure:

TCC shudder on coastdown
Engine chuggle
Early lockup

AOD

Governor Circuit End Plug Kit 76999-05K

Fits units mid '83-later.

Helps cure:

Erratic shift timing
Oil leaks

AOD

Governor Circuit End Plug Kit 76999-04K

Fits mid '83-earlier units.

Helps cure:

Erratic shift timing
Oil leaks

AOD

O-Ringed End Plug Kit 76999-SML

Helps cure:

Erratic shift timing
Oil leaks

AOD

O-Ringed End Plug Kit 76999-LRG

Helps cure:

Erratic shift timing
Oil leaks

AOD

Throttle Valve Plug Kit 76989K

O-ring style

Helps cure:

Uncontrollable shift timing
Low line rise
Overheated clutch
Overheated band
TV pressure imbalance

AOD

Throttle Valve Plug Kit 76989-03K

Factory style sleeve, no o-rings

Helps cure:

Uncontrollable shift timing
Low line rise
Overheated clutch
Overheated band
TV pressure imbalance

AOD

Overdrive Servo Pin Kit 76833

Helps cure:

3-4 Concerns
4-3 Concerns
OD band failure
Forward clutch failure

AX4S, AXODE

Oversized Bypass Clutch Control Valve Kit 96201-19K

Helps cure:

Hydraulic-related converter codes
TCC apply & release concerns
Low cooler & lube pressure

AX4S, AXODE

Bypass TCC Control Plunger Valve Kit 96206-01K

Helps cure:

Code 628
TCC slip
No lockup
Soft TCC apply
No TCC release during coast
Excess cooler circuit oil loss

AX4S, AXODE

The Sure Cure® Kit SC-AXODE

Helps cure:

Pump noise
Pump rotor damage
Clutch & band failures
Erratic line pressure
Non-adjustable (high) throttle pressure
1-2 Flare
2-3 Flare
2-1 Clunk
No 4th
No Forward
Forward slip
Reverse slip
Harsh Reverse
Delayed engagement
TCC cycling
TCC surge
Code 741, 1741, 1744
TCC apply & release concerns
TCC codes & overheating

C6

Oversized Modulator Valve Kit 36833-01K

Helps cure:

No kickdown
Stacked shifts
Poor line pressure control
High line pressure in Reverse
Direct clutch failure
Worn cases

CFT30

Primary Pulley Boost Valve Kit 33740-01K

Helps cure:

No ratio change
Ratio codes
Ratio errors
No high ratios
Poor fuel economy

CFT30

Oversized TCC Apply Valve 33740-06

Helps cure:

TCC codes
Converter shudder & TCC slip
TCC apply concerns
Overheated fluid & TCC lining
Loss of fuel economy

CFT30

Oversized TCC Regulator Valve Kit 33740-03K

Helps cure:

Converter shudder & TCC slip
TCC codes
No lockup
Overheated fluid & TCC lining
TCC apply & release concerns
Poor converter & cooler oil flow
Lube failures
Loss of fuel economy

Ford, GM

6F50, 6F55, 6T70 (Gen. 1), 6T70 (Gen. 2), 6T75 (Gen. 1), 6T75 (Gen. 2), 6T80 (Gen. 2)

Oversized TCC Regulator Valve Kit 124740-24K

Helps cure:

Code P0741
Code 742
Harsh TCC apply
TCC slip
Loss of fuel economy
Low TCC apply pressure
Overheated fluid & TCC lining

6F50, 6F55, 6T70 (Gen. 1), 6T70 (Gen. 2), 6T75 (Gen. 1), 6T75 (Gen. 2), 6T80 (Gen. 2)

Oversized TCC Control Valve Kit 124740-14K

Helps cure:

Excess TCC slip
Low cooler flow
Overheating
TCC apply & release concerns
Low converter & lube flow
TCC apply codes
TCC lining failure

6F50, 6F55, 6T70 (Gen. 1), 6T75 (Gen. 1)

Oversized Pressure Regulator Valve Kit 124740-12K

Helps cure:

Erratic line pressure
Poor shift quality
Burnt clutches
Low converter & lube flow
Overheating
TCC apply & release concerns

6F50, 6F55, 6T70 (Gen. 1), 6T75 (Gen. 1)

Oversized 3-5-R Clutch Regulator Valve Kit 124740-21K

Replaces 1.83 ratio OE valve with .335" dia. small spool.

Helps cure:

2-3 Flare
4-5 Flare
Delayed Reverse
Reverse slip
3-5 Reverse clutch burned
Ratio codes
Bind-up
Burnt Reverse clutch

6F50, 6F55, 6T70 (Gen. 1), 6T75 (Gen. 1)

Oversized 3-5-R Clutch Regulator Valve Kit 124740-26K

Replaces 1.35 ratio OE valve with .390" dia. small spool.

Helps cure:

2-3 Flare
4-5 Flare
Delayed Reverse
Reverse slip
3-5 Reverse clutch burned
Ratio codes
Bind-up

6F50, 6F55, 6T70 (Gen. 1), 6T75 (Gen. 1)

Oversized 2-6 Clutch Regulator Valve Kit 124740-17K

Helps cure:

1-2 Flare
5-6 Flare
2nd Slip
6th Slip
No 2nd
No 6th
Ratio codes
2-6 Clutch burned
Erratic shift timing

Ford, Mazda

4F27E, FN4A-EL, FNR5, FS5A-EL

Stator Bushing 46000-01K

Bushing Style: Precision
Material: Bimetal
Housing Bore: 0.867"
Shaft Dia.: 0.747"
Width: 0.266"

Helps cure:

High TCC slip RPM (TCCMACT) increases with operating temperature
Code P0741
Bushing failure
Bushing wear
Overheating

CD4E, LA4A-EL

Reverse Clutch Drum Sleeve 73300-01

Helps cure:

Damaged Reverse clutch drum journal
Bushing failure
Costly drum replacement

CD4E, LA4A-EL

Oversized Bypass Clutch Control Valve Kit 73840-BK

Helps cure:

Code 628, 1744, 1740
Reduced converter clutch life
Planetary failure
Bushing failure
Loss of lube oil

Ford, ZF

6R60, 6R75, 6R80, ZF6HP19, ZF6HP21, ZF6HP26, ZF6HP28, ZF6HP32, ZF6HP34

Oversized Converter Release Regulator Valve Kit 95740-05K

OE valve name: WK-V

Helps cure:

Excess TCC slip RPM & related codes
Harsh TCC apply & release
Low TCC release pressure
Rough idle in Reverse
Harsh downshifts
Flare shifts
Overheated converter

6R60, 6R75, 6R80, ZF6HP19, ZF6HP26, ZF6HP32

Zip Kit® ZF6-6R60-ZIP

Kit will not fit ZF6HP19, ZF6HP26, ZF6HP32 (Generation 1) units with an 053 separator plate.

Helps cure:

Broken parts due to excessive line pressure
Excess heat
Firm shifts
Flare shifts & bind-ups
Delayed engagement
Harsh engagement

6R60, 6R75, 6R80, ZF6HP19, ZF6HP26, ZF6HP32

Oversized Bypass Clutch Control Valve Kit 95740-13K

OE valve name: WD-V

Helps cure:

TCC codes
Excess TCC slip
Cycling RPM
Low TCC release pressure
Flare shifts
Harsh shifts
Rough idle in Reverse
Overheated converter

6R80, ZF6HP19, ZF6HP26, ZF6HP28

Input/Output Shaft Bushing 95030-05

Fits units with .669" (16.98mm) dia. shaft journals only.

Bushing Style: Precision
Material: Bimetal
Housing Bore: 0.788"
Shaft Dia.: 0.669"
Width: 0.393"

Helps cure:

Bushing wear
Bushing failure
Ratio codes
B Clutch burned

6R80, ZF6HP26, ZF6HP28

Sun Gear Shaft Bushing 95030-06

Fits units with .952" (24.17mm) dia. shaft journals only.

Bushing Style: Precision
Material: Bimetal
Housing Bore: 1.063"
Width: 0.393"
Shaft Dia.: 0.952"

Helps cure:

Bushing wear
Bushing failure
B Clutch burned
Ratio codes

6R80, ZF6HP26, ZF6HP28

Rear Stator Support Bushing 95030-02

Fits 1.180" (29.96mm) dia. input shaft journal only.

Bushing Style: Precision
Material: Steel-backed alloy Bi-metal
Housing Bore: 1.300"
Shaft Dia.: 1.180"
Width: 0.697"

Helps cure:

E Clutch burned
Gear ratio & solenoid codes
Bushing wear
Bushing failure

6R80, ZF6HP26, ZF6HP28

"B"/Direct Clutch Bushing 95030-07

Fits units with 1.337" (33.97mm) dia. shaft journals only.

Material: Bimetal
Bushing Style: Precision
Housing Bore: 1.457"
Shaft Dia.: 1.337"
Width: 0.465"

Helps cure:

Bushing wear
Bushing failure
B Clutch burned
Direct clutch burned
Ratio codes

GM

180, 180C (3L30), 4L30-E

Thrust Washer & Shim Kit 54701-03K

Material: Bimetal
Tab Count: 3
Outer Dia.: 2.500"
Inner Dia.: 1.740"
Thickness: 0.074"

Helps cure:

Damaged washers
Excess endplay

180C (3L30), 4L30-E, AR25, AR35

Bell Housing Bushing 54253-01

Bushing Style: Precision
Material: Steel-backed aluminum
Width: 0.560"
Shaft Dia.: 1.874"
Housing Bore: 2.003"

Helps cure:

Leaking front seal
Bushing wear

350, 350C

Shift Shaft & Seal Kit 35801-02K

Helps cure:

Leaking manual shaft case seal
Repeat leakage
Scored shaft

350, 350C

Intermediate Servo Sleeve Kit 35709-01K

Helps cure:

No engine braking in manual 2nd
Low line pressure in Reverse
Low line pressure in Neutral
Low line pressure in Drive
Delayed engagement

400, 425

Pressure Regulator Valve Kit 34910-03K

Fits '71–later units.

Helps cure:

High & uncontrollable line pressure
Delayed converter charge
Poor Reverse engagement

400, 4L80-E, 4L85-E

Direct Drum Sleeve Kit 34838-01K

In 4L80-E units, part can be used in either early or late-model drums.

Helps cure:

Direct clutch failure
Delayed 3rd
Delayed Reverse
Code 87, 730, 756, 1811
No 3rd
No Reverse
Maximum line presssure
No 4th
2nd Gear starts w/MIL on
TCC slip codes

4L60-E, 4L65-E, 4L70-E

TCC Regulator & Isolator Valve Kit 77754-03K

Fits '97-earlier Non-EC3 units only

Helps cure:

Code 894, 1870
Overheated converter
Low TCC apply pressure
3-4 Clutch burned
1-2 Harsh
Low line pressure

4L60-E, 4L65-E, 4L70-E

TCC Regulator & Isolator Valve Kit 77754-04K

Any application, including '98-later EC3 units

Helps cure:

Code 894, 1870
Overheated converter
Low TCC apply pressure
3-4 Clutch burned
1-2 Harsh
Low line pressure

4L60-E, 4L65-E, 4L70-E

Oversized 3-4 Shift Valve Kit 77754-42K

Helps cure:

2nd Gear starts
Low AFL pressure
3rd Clutch failure
3-4 Concerns

4L80-E, 4L85-E

Oversized Accumulator Control Valve Kit 34994-22K

Helps cure:

Soft shift & low accumulator pressure
High line pressure in Drive
Low line rise in Reverse

4L80-E, 4L85-E

Lube Regulated Pressure Regulator Valve 34200-14K

Helps cure:

Engine surge at idle
Low cooler flow
Low TCC release pressure

4L80-E, 4L85-E

Reverse Checkball Sleeve 34200-38

Fits units '95-later.

Helps cure:

Reverse slip
Gear ratio codes
3rd Slip
4th Slip
Direct clutch burned
No Reverse

4L80-E, 4L85-E

3rd & Reverse Checkball Sleeve Kit 34200-47K

Fits units '95-later.

Helps cure:

3rd Slip
4th Slip
Gear ratio codes
Direct clutch burned
Reverse slip

4T60, 4T60-E

Reverse & Modulated Line Boost Valve Kit 84754-24K

Low ratio

Helps cure:

Low line rise
Low Reverse boost
Soft shifts
2nd Clutch distress
3rd Clutch distress

4T60, 4T60-E

Modulated Line Boost Valve Kit 84754-17K

High Ratio, .199" dia. small spool

Helps cure:

Low line rise
Soft shifts
2nd Clutch distress
3rd Clutch distress

4T60, 4T60-E

Reverse & Modulated Line Boost Valve Kit 84754-25K

High Ratio

Helps cure:

Low line rise
Low Reverse boost
Soft shifts
2nd Clutch distress
3rd Clutch distress

4T60, 4T60-E

Modulated Line Boost Valve Kit 84754-12K

Low Ratio, .276" dia. small spool

Helps cure:

Low line rise
Soft shifts
2nd Clutch distress
3rd Clutch distress

4T60, 4T60-E

Oversized TCC Apply Valve Kit 84754-16K

'96-Earlier with steel valve

Material: Steel

Helps cure:

Code 39, 740, 1870
Falls out of lockup when hot
Overheated converter
Shudder
Low cooler flow

4T60, 4T60-E

TCC Apply Valve Kit 84754-22K

1996 & earlier with steel valve

Material: Steel

Helps cure:

Code 39, 740, 1870
Falls out of lockup when hot
Overheated converter
Shudder
Low cooler flow

4T60, 4T60-E

Oversized Accumulator Pin & Reamer Kit 84573-02K

Fits 1-2 and 2-3 accumulator locations only

Helps cure:

Worn accumulator piston pin bore
Soft & inconsistent shift feel
1-2 Flare
2-3 Flare
2nd Slip
3rd Slip
2nd Clutch burned (GM)
3rd Clutch burned
No 2nd
No 3rd

4T60, 4T60-E

Oversized Accumulator Pin 84573-01K

Fits 1-2 and 2-3 accumulator locations only

Helps cure:

Worn accumulator piston pin bore
Soft & inconsistent shift feel
1-2 Flare
2-3 Flare
2nd Slip
3rd Slip
2nd Clutch burned (GM)
3rd Clutch burned
No 2nd
No 3rd

4T60, 4T60-E, 4T65-E

Oversized 1-2 & Reverse Servo Boost Valve Kit 84754-40K

Fits either of 2 locations

Helps cure:

1-2 Flare
Delayed engagement
Low Reverse pressure
1-2 Band burned

4T60, 4T60-E, 4T65-E

Oversized Pressure Regulator Valve Kit 84754-46K

Helps cure:

Erratic line pressure
Burnt clutches
Poor shift quality
Overheating
TCC apply & release concerns
Low converter & lube flow

4T60-E

The Sure Cure® Kit SC-4T60E

Fits '93–'96 units.

Helps cure:

2nd Clutch distress
3rd Clutch distress
Low cooler flow
Low line rise
Low Reverse boost
Soft shifts
Converter shudder
Overheated converter
Code 39, 740, 1870
Falls out of lockup when hot

4T60-E

The Sure Cure® Kit SC-4T60E-1

Fits '97-later units.

Helps cure:

2nd Clutch distress
3rd Clutch distress
Low cooler flow
Low line rise
Low Reverse boost
Soft shifts
Converter shudder
Overheated converter
Code 39, 740, 1870
Falls out of lockup when hot

4T60-E

TCC Apply Valve Kit 84754-98K

1997 & later with aluminum valve

Helps cure:

Code 39, 740, 1870
Falls out of lockup when hot
Overheated converter
Shudder
Low cooler flow

4T60-E

TCC Regulator & Isolator Valve Kit 84754-01K

'93-Later

Helps cure:

Code 39, 740, 1870
Overheated converter
Falls out of lockup when hot
Converter shudder

4T60-E

Isolator Valve Sleeve 84754-06

'93-Later

Helps cure:

Code 39, 740, 1870
Falls out of lockup when hot
Overheated converter
Converter shudder

4T60-E

Oversized TCC Apply Valve Kit 84754-97K

1997 & later with aluminum valve

Helps cure:

Code 39, 740, 1870
Falls out of lockup when hot
Overheated converter
Shudder
Low cooler flow

4T65-E

The Sure Cure® Kit SC-4T65E

Enclosed pump slide pivot pin does not fit late-style, 3-piece pump.

Helps cure:

Low line rise
Low Reverse boost
Soft shifts
Maximum adapt
Long shifts
Converter shudder
Overheated converter
Code 741, 1811
Falls out of lockup when hot
No lockup

4T65-E

Oversized 3-4 Accumulator Valve Kit 84754-58K

Volvo units only.

Helps cure:

3-4 Concerns
Soft shifts & poor line rise

4T65-E

Oversized 3-4 Accumulator Valve Kit 84754-55K

GM units only

Helps cure:

3-4 Concerns
Soft shifts & poor line rise

4T65-E

3-4 Accumulator Piston 84880M-01

Helps cure:

3-4 Concerns
4th Clutch burned
Soft 3rd
No 4th

4T65-E

2-3 Accumulator Sleeve 84754-65

Fits Volvo units only.

Helps cure:

2-3 Shift concerns
3rd Slip
Low line rise
3rd Clutch failure

4T80-E

2-3 Accumulator Piston 72871-01

1994 & later

Helps cure:

2-3 Soft
Worn accumulator piston pin bore
Damage from broken spring
4-3 Kickdown
3rd Clutch distress

4T80-E

3-4 Accumulator Piston 72872-01

Helps cure:

Worn accumulator piston pin bore
Damage from broken spring
4-3 Kickdown
2-3 Soft
3rd Clutch distress

5L40-E, 5L50-E

Oversized Low Pressure Control Valve Kit 55211-17K

Helps cure:

3-2-1 Bump
Engine braking concerns
Clutch failure

5L40-E, 5L50-E

TCC Regulator Valve Kit 55211-24K

Replaces OE valve with .476" dia. balance spool only
For OE valves with .437" dia. balance spool, use 55211-04K

Helps cure:

Code 894, 1870
No lockup
TCC slip
No Reverse
Overheated converter
Harsh TCC apply

5L40-E, 5L50-E

Boost Valve Kit 55209-01K

With spacer, large ratio

Dia.: 0.531"
Dia.: 0.432"

Helps cure:

High line pressure in Reverse
Low line rise
Gear ratio codes
TCC slip
Flare shifts

6L45, 6L50, 6L80, 6L90

Oversized Converter Feed Limit Valve 104520-11

Helps cure:

High TCC slip RPM
Code P0218
Code P0741
Overheated converter
Inadequate lubrication
Excess converter pressure

6L45, 6L50, 6L80, 6L90

Clutch Select Valve Spring Kit 104740-02K

Mid 2010-Earlier

Helps cure:

Code P0751
1-2-3-4 Clutch burned
3-5 Reverse clutch burned
Cruise control disabled

6L45, 6L50, 6L80, 6L90

Oversized TCC Regulator Valve Kit 104740-07K

Helps cure:

Code P0741, P0742
High TCC slip RPM
Overheated fluid
Failsafe mode
Harsh shifts
Harsh TCC apply
Loss of fuel economy

6L45, 6L50, 6L80, 6L90

Pressure Regulator Valve Kit 104520-03K

Helps cure:

Erratic line pressure
High line pressure
Low line pressure
Clutch slippage
Harsh shifts
Low cooler flow
No cooler flow
Overheated transmission
Soft shifts
Converter concerns

6L45, 6L50, 6L80, 6L90

Oversized Pressure Regulator & Boost Valve Kit 104520-07K

Helps cure:

Erratic line pressure
High line pressure
Low line pressure
Clutch slippage
Harsh shifts
Low cooler flow
Burnt clutches
No cooler flow
Overheated transmission
Converter concerns

6L45, 6L50, 6L80, 6L90

Center Support Seal Kit 104740-14K

Helps cure:

Burnt clutches
Loss of lube oil
Overheating & reduced lube feed

6L45, 6L50, 6L80, 6L90, 6T70 (Gen. 1), 6T75 (Gen. 1)

Pressure Switch Rebuild Master Pack 124740-28K

Helps cure:

Pressure switch codes
Pressure control out-of-range codes
Slips, flares & bind-ups
Failsafe mode
Erratic TCC apply
Harsh shifts
Shift codes

6L45, 6L50, 6L80, 6L90, 6T70 (Gen. 1), 6T75 (Gen. 1)

Pressure Switch Rebuild Kit 124740-30K

Helps cure:

Switch codes
Pressure control out-of-range codes
Slips, flares & bind-ups
Failsafe mode
Erratic TCC apply
Harsh shifts
Shift codes

6T30, 6T40 (Gen. 1), 6T40 (Gen. 2), 6T45 (Gen. 2), 6T45 (Gen.1), 6T50 (Gen. 1), 6T50 (Gen. 2)

Oversized Actuator Feed Limit Valve 144740-01

Helps cure:

No 4th
No 5th
No 6th
Low clutch oil pressure
Harsh shifts
Flare shifts

6T30, 6T40 (Gen. 1), 6T40 (Gen. 2), 6T45 (Gen. 2), 6T45 (Gen.1), 6T50 (Gen. 1), 6T50 (Gen. 2)

Oversized TCC Regulator Valve Kit 144740-16K

Helps cure:

Code P0741
Code 742
No lockup
TCC slip
Loss of fuel economy
Low TCC apply pressure
Overheated fluid & TCC lining
Harsh TCC apply

6T30, 6T40 (Gen. 1), 6T40 (Gen. 2), 6T45 (Gen. 2), 6T45 (Gen.1), 6T50 (Gen. 1), 6T50 (Gen. 2)

Oversized TCC Control Valve Kit 144510-05K

Helps cure:

Excess TCC slip
Low cooler flow
Overheating
Low converter & lube flow
TCC apply & release concerns
TCC codes
TCC lining failure

6T40 (Gen. 1), 6T45 (Gen.1), 6T50 (Gen. 1)

Oversized Pressure Regulator Valve Kit 144510-01K

Helps cure:

Erratic line pressure
Burnt clutches
Poor shift quality
Low converter & lube flow
Overheating
TCC apply & release concerns

6T40 (Gen. 1), 6T45 (Gen.1), 6T50 (Gen. 1)

Pressure Switch Rebuild Kit 144510-09K

Helps cure:

Pressure switch codes
Pressure control out-of-range codes
Failsafe mode
Slips, flares & bind-ups
Harsh shifts
Shift codes

6T40 (Gen. 1), 6T45 (Gen.1), 6T50 (Gen. 1)

Zip Kit® 6T40-ZIP

Helps cure:

Burnt clutches
Line pressure instability
Loss of fuel economy
No line rise
Pressure loss
Pressure switch codes
Shift concerns
TCC apply & release concerns
TCC codes

6T40 (Gen. 1), 6T45 (Gen.1), 6T50 (Gen. 1)

Oversized Clutch Boost Valve 144740-22

Helps cure:

Slip codes
Delayed engagement
1-2-3-4 Clutch burned
Shift quality is not load sensitive
Harsh shifts
Slide shifts
Slips & flares

6T70 (Gen. 1), 6T75 (Gen. 1)

4-5-6 Accumulator Piston Kit 124740-04K

Helps cure:

3-4 Flare
Ratio codes
4-5-6 Clutch burned
Slipping gears
3-4 Harsh

6T70 (Gen. 1), 6T75 (Gen. 1)

Zip Kit® 6T70-ZIP

Helps cure:

Burnt clutches
Line pressure instability
Loss of fuel economy
No line rise
Pressure loss
Shift concerns
TCC apply & release concerns
TCC codes
Pressure switch codes

Honda/Acura

Honda, Acura 4-Speed, 3-Shaft

Oversized Lockup Control Valve Kit 98892-17K

See application chart below for details.

Helps cure:

TCC codes
Overheated converter fluid
Poor converter & cooler oil flow
TCC apply & release concerns
TCC lining failure
Low TCC apply pressure in full lockup

Honda, Acura 5-Speed

Oversized Lockup Control Valve Kit 98892-27K

Helps cure:

TCC codes
Overheated converter fluid
Poor converter & cooler oil flow
TCC apply & release concerns
TCC lining failure
Low TCC apply pressure in full lockup

Honda, Acura 5-Speed

Lockup Shift Valve Kit 98892-16K

See Application Chart below for detailed guide

Helps cure:

Lube failures
Overheating & reduced lube feed

Hyundai/Kia

A6GF1, A6LF1/2/3, A6MF1/2

TCC Pressure Control Plunger Valve Kit 102741-01K

Helps cure:

TCC codes
Converter shudder & failure
TCC slip
Low TCC apply pressure
Low TCC release pressure
Overheated fluid & TCC lining

A6GF1, A6LF1/2/3, A6MF1/2

Oversized TCC Control Valve Kit 102741-11K

Helps cure:

TCC codes
Shudder
TCC apply & release concerns
Excess TCC slip
Overheating
TCC lining failure
Low converter & lube flow
Low cooler flow
Poor fuel economy

A6GF1, A6LF1/2/3, A6MF1/2

Oversized Pressure Regulator Valve Kit 102741-08K

Helps cure:

Poor shift quality
Soft & inconsistent shift feel
Burnt clutches
Overheating
Low pressure
Low converter & lube flow

A6GF1, A6LF1/2/3, A6MF1/2

Oversized 3/5/Reverse & Underdrive Pressure Control Valve Kit 102741-13K

Fits either of two locations.

Helps cure:

Delayed engagement
Slips, flares & bind-ups
No Forward
No Reverse
Erratic shift timing
Ratio codes
3-5 Reverse clutch burned
Underdrive brake clutches burned

A6GF1, A6LF1/2/3, A6MF1/2

Oversized 2-6 Pressure Control Valve Kit 102741-16K

Helps cure:

1-2 Flare
5-6 Flare
Ratio codes
Erratic shift timing
2nd Slip
6th Slip
No 2nd
No 6th
2-6 Clutch burned

A6GF1, A6LF1/2/3, A6MF1/2

Oversized Pressure Reducing Valve 102741-07

Fits two locations.

Helps cure:

Solenoid performance codes
Wrong gear starts
Harsh shifts
Soft shifts
Burnt clutches
Burnt TCC apply components
TCC codes & concerns

A6GF1, A6LF1/2/3, A6MF1/2

Oversized Overdrive Pressure Control Valve Kit 102741-18K

Helps cure:

3-4 Flare
4-5-6 Slip
Gear ratio codes
Pressure control out-of-range codes
Overheated fluid
OD clutch burned
OD clutch distress

Jatco

RE4F04B

Cooler Check Valve Kit 63940-07K

Helps cure:

Burnt transmission components
Cooler check valve spring breakage
Cooler drain back
No cooler flow
Delayed engagement

Jatco, Nissan

JF010E (RE0F09A)

Pulley Bearing Kit 33201G-01K

Helps cure:

Bearing noise
Bearing failure
Push belt slippage

JF010E (RE0F09A), JF011E (RE0F10A)

Solenoid Regulator Valve Kit 113741-01K

Helps cure:

Chatter on acceleration
No ratio change
Noise on acceleration
Low solenoid feed pressure
Push belt slippage
Increased push belt & pulley wear
Low line rise

JF010E (RE0F09A), JF011E (RE0F10A)

Oversized TCC Limit & Lube Valve Kit 113741-04K

Helps cure:

Engine stall on engagement
No lockup
Increased RPM during acceleration
Ratio codes
Poor performance
Overheated fluid
Poor fuel economy
Poor lube oil control

JF011E (RE0F10A)

Pulley Bearing Kit 33201N-01K

Helps cure:

Bearing noise
Bearing failure
Push belt slippage

JF011E (RE0F10A), JF015E (RE0F11A), JF016E (RE0F10D), JF017E (RE0F10E)

Pump Flow Control Valve 33510N-02

Fits '07-later units only.

Helps cure:

Push belt slippage
Delayed engagement
Low pump volume

JR403E

Overdrive Servo Piston Kit 62170-01K

Helps cure:

2-4 Band burned
4th Band servo piston breakage
1-2 Quality poor
No 4th
4th Slip
3-4 Concerns

JR710E, JR711E, JR712E, RE5R05A, RE7R01A

Oversized Pressure Regulator & Boost Valve Kit 63741-01K

Also fits Kia A5SR1/A5SR2.

Helps cure:

Delayed Forward
Harsh Reverse
Erratic line pressure
2-3 Harsh
Low converter & lube flow
Burnt clutches
Excess clutch apply pressure
Delayed Reverse
Reverse slip

JR710E, JR711E, JR712E, RE7R01A

Oversized TCC Regulator Valve Kit 103740-03K

Helps cure:

Converter shudder & TCC slip
Lube failures
No lockup
Overheated fluid & TCC lining
Poor converter & cooler oil flow
TCC apply & release concerns
TCC codes

Mazda

F4A-EL, F4E-III, F4EAT, FA4A-EL

Oversized Pressure Regulator Valve 74846-06K

Helps cure:

Loss of cooler flow
High line pressure
Low line pressure
Harsh shifts
Overheated converter
Blued converter
No cooler flow

F4A-EL, GF4A-EL

Pump Rebuild Kit K74878

Includes Discharge Valve & Compression Spring

Helps cure:

Spring hang-up problems
2-3 Flare
Low pump volume

G4A-EL, G4A-HL, GF4A-EL

Oversized Pressure Regulator Valve 74846-05

For use with .357" OE valve small diameter only.

Helps cure:

High line pressure
Low line pressure
Harsh shifts
Overheated converter
Blued converter
Loss of cooler flow
No cooler flow

Mercedes

722.9

Oversized Lubrication Pressure Regulator Valve Kit 88740-09K

Helps cure:

Erratic TCC apply pressure
Excess TCC slip
Harsh TCC apply & release
Low cooler & lube pressure
TCC codes

722.9

Oversized Working Pressure Regulator Valve 88740-01

Replaces early and late-style OE valves.

Helps cure:

Burnt clutches
Erratic line pressure
Low converter & lube flow
Overheating
Poor shift quality

722.9

Oversized Supply Pressure Regulator Valve 88740-02

Fits either of two locations

Helps cure:

Burnt clutches
Burnt TCC apply components
Harsh shifts
Soft shifts
Solenoid performance codes
TCC codes & concerns
Wrong gear starts

Mitsubishi

KM 4-Speeds

Manual Valve 41750-03

KM Series 4-Speed

Helps cure:

Pump bushing spin-out
Converter hub bushing spin-out
Lube failures
No cooler flow in Park
Delayed engagement
Overheated converter

Mitsubishi, Hyundai/Kia

A5GF1, A5HF1, F4A41/42/51, F5A51, R4/V4A51, R5A51, V5A51

TCC Control Valve Kit 41954-03K

Application units noted may look different than the two valve bodies pictured here. 41954-03K should fit all units with matching spool diameters, even if location of bore differs.

Helps cure:

Excess TCC slip
TCC apply & release concerns
TCC cycling
High TCC release pressure

Nissan, Jatco

JF011E (RE0F10A)

Oversized Torque Converter Pressure Regulator Valve Kit 113741-13K

For JF010E units, use Sonnax kit 113741-15K.

Helps cure:

Converter shudder & TCC slip
TCC apply & release concerns
TCC codes
Overheating
Erratic TCC apply pressure
Lube failures

Renault/Peugot

AL-4, DPO

Pump Bushing 120001A

Finish-in-Place

Bushing Style: Finish-in-Place
Material: Steel-acked Aluminum Alloy
Width: 0.533"
Shaft Dia.: 2.142"
Housing Bore: 2.241"

Helps cure:

Leaking front seal
Low pump volume
Delayed engagement
Converter shudder & TCC slip

AL-4, DPO

Pump Bushing 120001

Precision

Bushing Style: Precision
Material: Steel-backed aluminum alloy
Width: 0.533"
Shaft Dia.: 2.142"
Housing Bore: 2.241"

Helps cure:

Leaking front seal
Low pump volume
Delayed engagement
Converter shudder & TCC slip

Saturn

TAAT

Pressure Regulator Valve 95200-06

OE size

Helps cure:

Blown filters
Delayed Reverse with harsh engagement
No Reverse
Poor line pressure control

TAAT

Pressure Regulator Sleeve Kit 95200-05K

Accepts OE size valve

Helps cure:

Blown filters
Delayed Reverse with harsh engagement
No Reverse
Poor line pressure control

TAAT

The Sure Cure® Kit SC-TAAT

Helps cure:

High line pressure
Blown filters
Low line pressure
Erratic line pressure
Poor line pressure control
No Reverse
Delayed Reverse with harsh engagement

Toyota/Lexus

A340, A340E, A340F, A340H

Boost Valve Kit 97855-30K

Helps cure:

Delayed engagement
Low line rise
Low line pressure in Reverse
High line pressure in Reverse
Erratic line pressure
Soft upshifts
Repeated clutch failure

A340, A340E, A340F, A340H

Boost Valve Kit 97855-23K

Helps cure:

Delayed engagement
Low line rise
Low line pressure in Reverse
High line pressure in Reverse
Erratic line pressure
Soft upshifts
Repeated clutch failure

A340, A340E, A340F, A340H

Oversized Pressure Regulator Valve Kit 97855-24K

Replaces 3 spool pressure regulator valve in units with 3 or fewer solenoids

Helps cure:

Low line pressure
High line pressure
Poor shift quality
Low lube oil flow
Burnt clutches
Burnt brake clutches

A340E, A340F

Oversized Secondary Pressure Regulator Valve Kit 97741-18K

Fits '00-Later V6 & V8, late models, Type 3 & 4 valve bodies.

Helps cure:

TCC apply & release concerns
Burnt TCC apply components
Overheated transmission
Bushing wear

A340E, A340F

Oversized Pressure Regulator Valve Kit 97741-10K

Fits type 3 and 4 valve bodies with .353" dia. EPC valve spools

Helps cure:

Low line pressure
High line pressure
Poor shift quality
Low lube oil flow
Burnt clutches

A340E, A340F

Oversized Pressure Regulator Valve Kit 97741-06K

Fits type 3 and 4 valve bodies with .426" dia. EPC valve spool.

Helps cure:

Low line pressure
High line pressure
Poor shift quality
Low lube oil flow
Burnt clutches

A340E, A340H

Oversized Secondary Pressure Regulator Valve Kit 97741-17K

Helps cure:

TCC apply & release concerns
Burnt TCC apply components
Overheated transmission
Bushing wear

A760E, A760E, A760F, A760F, A760H, A760H, AB60E, AB60F

Oversized Lockup Control Valve Kit 157740-16K

Helps cure:

TCC apply & release concerns
Harsh downshifts
RPM fluctuation
TCC codes
Poor converter & cooler oil flow

A760E, A760F, A760H, AB60E, AB60F

Lockup Control Plunger Valve Kit 157740-37K

Helps cure:

Harsh downshifts
TCC apply & release concerns
RPM surge
TCC codes
Overheated fluid

U151E, U151F, U250E

Oversized Clutch Apply Control Valve Kit 27741-18K

Helps cure:

Burnt Forward/C1 clutch, direct/C0 clutch & 2nd/B1 brake
Flare shifts & bind-ups

U151E, U151F, U250E

B2 Apply Control Plunger Kit 27741-06K

Helps cure:

Delayed Reverse
B2 Brake clutches burned
No engine braking in manual low
Erratic shift timing

U151E, U151F, U250E

Oversized B3 Orifice Control Valve Kit 27741-16K

Helps cure:

Shift concerns
UD/B3 brake clutches burned

U341E, U341F

Oversized Secondary Pressure Regulator Valve Kit 37740-07K

Helps cure:

Erratic TCC apply pressure
Excess TCC slip
Harsh TCC apply & release
Low cooler & lube pressure
TCC codes

U341E, U341F

Oversized Lockup Control Valve Kit 37740-08K

Helps cure:

Converter shudder & TCC slip
Engine stall at idle
Harsh downshifts
No lockup
Overheated fluid
Poor fuel economy
RPM surge on coast
TCC apply & release concerns
TCC codes

U660E, U660F

Oversized Lockup Control Valve Kit 47740-30K

Helps cure:

TCC slip codes
TCC apply & release concerns
RPM fluctuation
Harsh downshifts

U660E, U660F

B1 Apply Boost Valve Kit 47740-19K

Helps cure:

2nd and 6th Gear shift concerns
B1 brake clutches burned

U660E, U660F

Reverse Boost Valve Kit 47740-17K

Helps cure:

Delayed Reverse
Low line rise in Reverse
B2 Brake clutches burned

U660E, U660F, U760E, U760F

Oversized Secondary Pressure Regulator Valve Kit 47740-26K

Helps cure:

TCC codes
TCC apply & release concerns
TCC shudder
Lube failures
Bearing failure
Bushing failure

U660E, U660F, U760E, U760F

Oversized Clutch Control Valve Kit 47740-22K

Helps cure:

4-5 Harsh
4-5 Flare
Delayed Neutral to Drive
Delayed Reverse

U660E, U660F, U760E, U760F

O-Ringed End Plug Kit 47740-21K

Helps cure:

Burnt brake clutches
Shift concerns
Lockup concerns
Burnt clutches

U660E, U660F, U760E, U760F

C1 Accumulator Piston Kit 47740-12K

Helps cure:

Delayed Forward
Forward slip
C1 Clutch burned
Harsh Forward
Flare shifts

U760E, U760F

Oversized Lockup Control Valve Kit 47740-31K

Helps cure:

TCC slip codes
TCC apply & release concerns
RPM fluctuation
Harsh downshifts

U760E, U760F

Reverse Boost Valve Kit 47740-38K

Helps cure:

Delayed Reverse
Low line rise in Reverse
B2 Brake clutches burned
UD/B3 brake clutches burned
Low Reverse boost
No Reverse
B4 Clutch burned
Reverse slip

VW/Audi

01J, 01T

Oversized UV Reduction Valve Kit 33741B-08K

Helps cure:

Chatter on acceleration
Ratio errors
Distress on pulley #1, #2 & chain surface

01M, 01N, 01P

TCC Regulator Valve Spring 119940-19

Helps cure:

High TCC apply pressure
TCC slip codes
Converter hub & stator damage
Brass contamination in oil pan

01M, 01N, 01P

Checkball Springs 119940-20

For use in Phase 2 valve bodies.

Helps cure:

2-3 Concerns
3-2 Concerns
Soft shifts
Erratic buzz
Uncontrolled pressure in Reverse
Low line rise

01M, 01N, 01P, 096, 097, 098

Bushing Kit 119905-02K

Helps cure:

Clutch failure
Delayed Reverse
Flare shifts
Shudder shifts
Low line pressure
Low clutch oil pressure

01T

Oversized VSPV Valve Kit 33741B-11K

Helps cure:

Ratio codes
Push belt slippage
Push belt & sheave (pulley) surface damage
Increased push belt & pulley wear
Poor fuel economy

096, 097, 098

Oversized Boost Regulator Valve Kit 119940-07K

Helps cure:

Harsh Reverse
Delayed engagement
High line pressure
Low line pressure
No line rise
Converter concerns

096, 097, 098

Oversized Main Pressure Regulator Valve Kit 119940-08K

Helps cure:

Delayed engagement
Engine stall at idle
High line pressure
Low line pressure
No line rise
Converter concerns

0AW

Oversized VSTV Valve 33741Q-01

Helps cure:

Gear ratio & solenoid codes
Increased push belt & pulley wear
No high ratios
Push belt slippage
Sluggish acceleration

ZF

845RE, ZF8HP45, ZF8HP55, ZF8HP70

Oversized TC Pressure Valve Kit 35740-18K

ZF valve name: WD-V
Chrysler valve name: TC-V

Helps cure:

Coastdown clunk
Harsh TCC apply
Excess TCC slip
TCC codes & overheating
TCC lining failure
Low lube oil flow
Low TCC release pressure

845RE, ZF8HP45, ZF8HP55, ZF8HP70

Oversized TCC Valve Kit 35740-13K

ZF valve name: WK-V
Chrysler valve name: TCC-V

Helps cure:

Converter shudder & TCC slip
Damaged TCC linings
TCC codes
Overheated converter
Poor fuel economy

845RE, ZF8HP45, ZF8HP55, ZF8HP70

Oversized TC Switch Valve 35740-05

ZF valve name: SV-WD
Chrysler valve name: SV-TC

Helps cure:

No lockup
No TCC release
Engine stall
TCC codes
Excess TCC slip
Premature TCC apply
Soft TCC apply
Harsh TCC apply

ZF4HP14, ZF4HP18

Oversized Pressure Regulator Valve 85991-01

Helps cure:

Poor line pressure control
Poor Reverse engagement

ZF5HP24, ZF5HP24A

Oversized Lubrication Valve Kit 139740-03K

Helps cure:

Overheating
TCC codes
Low converter & lube flow
Low cooler & lube pressure
Low TCC apply pressure
Lube failures
Planetary failure
TCC slip

ZF6HP19, ZF6HP21

Front Stator Support Bushing 95030-09

Fits .952" (24.17mm) diameter input shaft front journal. Not all ZF6HP19/21 units utilize a front stator support bushing; application must be verified before installation.