Required
Recommended
4L60
Remanufactured Valve Body GM043
Hydraulic TCC
Sonnax rebuilt valve body GM043 is no longer in production. Please check with your distributor for availability. For service inquiries, please see details on Sonnax’s Limited Lifetime Warranty on remanufactured valve bodies.
3-4 Clutch Boost Spring 77763-01
1988 & later
-
Helps cure:
- 3-4 Clutch boost spring collapse
- 3-4 Clutch boost springs inefficient when overheated
Front Endplay Shim 77409-15
Endplay
- Material: Steel
- Inner Dia.: 1.240"
- Outer Dia.: 1.815"
- Thickness: 0.015"
-
Helps cure:
- Excess endplay
Heavy Duty 3-4 Clutch Backing Plate Kit 74140-01K
Requires ‘91-later 3-4 apply ring stamped with number “7”, measuring 3.671–3.682" in height.
Heavy Duty Input Shaft 77733-10S
Fits '85-later 298mm units with 30-spline input shaft. For '82-84 298mm units with 27-spline input shaft, converter and stator shaft will need to be updated to '85-later design.
Pinion Needle Roller 77731-03
Fits 4-pinion rear planetary.
-
Helps cure:
- Planetary failure
- Planetary wear
Planetary Rebuild Kit 77731-RK
Fits 4-pinion rear planetary
-
Helps cure:
- Planetary failure
- Planetary wear
Shim 77406-10
- Material: Steel
- Thickness: 0.010"
- Inner Dia.: 1.725"
- Outer Dia.: 2.310"
-
Helps cure:
- Excess endplay
- Driveline noise
Smart-Tech® Input Housing Kit with Heavy Duty Input Shaft 77733-10K
Fits '85-later 298mm units with 30-spline input shaft. For '82-84 298mm units with 27-spline input shaft, converter and stator shaft will need to be updated to '85-later design.
Thrust Washer 77409-16
Selective, OE-Style
- Material: Steel
- Inner Dia.: 1.240"
- Outer Dia.: 1.815"
- Thickness: 0.096"
-
Helps cure:
- Excess endplay
Wide Reaction Sun Gear Bushing 77010-01
May not work in some late-production sun gears with OE finish-in-place bushings. Sun Gear, Wide
- Material: Steel-backed bronze
- Bushing Style: Precision
- Housing Bore: 1.706"
- Shaft Dia.: 1.575"
- Width: 0.600"
-
Helps cure:
- Bushing failure
- Reaction carrier shaft damage
Oversized Pressure Regulator Valve 77917-06
-
Helps cure:
- Erratic line pressure
- Low line rise
- Clutch slippage
- Excess pump noise
- 3-4 Clutch failure
Rear Stator Support Bushing 77002B
Rear Stator Support
- Bushing Style: Precision
- Material: Steel-backed lead/bronze alloy
- Width: 0.510"
- Inner Dia.: 1.250"
- Housing Bore: 1.360"
- Shaft Dia.: 1.237"
-
Helps cure:
- Bushing wear
- Bushing failure
Rear Stator Support Bushing 77002BT-01
Rear Stator Support
- Bushing Style: Precision
- Material: Bimetal, PTFE-lined
- Housing Bore: 1.360"
- Shaft Dia.: 1.237"
- Assembled Height: 0.510"
- Width: 0.510"
Reverse Boost Valve Kit K77898A
Large ratio, Factory style sleeve, no O-rings
-
Helps cure:
- Low Reverse boost
- Delayed Reverse
- Low line pressure
- Poor upshift in manual low
Reverse Boost Valve Kit K77898
Large ratio, O-ring style
-
Helps cure:
- Low line pressure
- Low Reverse boost
- Delayed Reverse
- Poor upshift in manual low
Stator Support Bushing 35007A
‘84-Later
- Bushing Style: Precision
- Material: Steel-backed copper alloy
- Width: 0.500"
- Housing Bore: 1.121"
- Inner Dia.: 1.004"
- Shaft Dia.: 1.002"
-
Helps cure:
- Bushing wear
- Bushing failure
Stator Support Bushing Kit 77918SBK
For 77918S-K Stator Support Shaft
-
Helps cure:
- Bushing wear
- Bushing failure
Stator Support Shaft Bushing 35007B
‘82–‘84 (4L60 early, small shaft diameter)
- Bushing Style: Precision
- Material: Steel-backed copper alloy
- Width: 0.500"
- Housing Bore: 1.121"
- Inner Dia.: 0.908"
- Shaft Dia.: 0.906"
-
Helps cure:
- Bushing wear
- Bushing failure
Stator Support Shaft Kit 77918S-K
298mm or 245mm Converter, non-reluctor style, Universal bolt pattern
-
Helps cure:
- Overheated converter
- Delayed Reverse
- No 3rd
- 3-4 Clutch failure
- Code 1870
TCC Apply Valve Kit 77805-K
Fits non-PWM units only.
-
Helps cure:
- No lockup
- Falls out of lockup when hot
- Fluid blown out fill tube
- Lockup immediately after 2nd gear
- Code 1870
TCC Solenoid Snout Kit 77942-01K
'96-Earlier
-
Helps cure:
- TCC apply concerns
- Overheated converter
- Loss of lube oil
TV Boost Valve Kit 77917-500
.500" Dia., O-ring style
-
Helps cure:
- Soft slide shifts
- 3-4 Clutch burned
- Reduced band life
TV Boost Valve Kit 77917-02K
.423" Dia., Factory-style sleeve (no O-rings)
-
Helps cure:
- Soft slide shifts
- 3-4 Clutch burned
- Reduced band life
TV Boost Valve Kit 77917-01K
.423" Dia., O-Ring style
-
Helps cure:
- Soft slide shifts
- 3-4 Clutch burned
- Reduced band life
TV Boost Valve Kit 77917-471
.471" Dia., O-ring style
-
Helps cure:
- Soft slide shifts
- 3-4 Clutch burned
- Reduced band life
TV Boost Valve Kit 77917-03K
.471" Dia., Factory-style sleeve (no O-rings)
-
Helps cure:
- Soft slide shifts
- 3-4 Clutch burned
- Reduced band life
TV Boost Valve Kit 77917-04K
.500" Dia., Factory-style sleeve (no O-rings)
-
Helps cure:
- Soft slide shifts
- 3-4 Clutch burned
- Reduced band life
Accumulator Valve Train Kit 77777L-K
Fits "L" version valve trains in light/medium weight vehicles only. Fits 4L60 '87-later auxiliary valve body styles only. Valve dia. = .330".
-
Helps cure:
- 1-2 Bang at light throttle
- Reduced 2-4 band life
Accumulator Valve Train Kit 77777M-K
Fits "M" version valve trains in heavy vehicles only. Fits 4L60 '87-later auxilary valve body styles only. Valve dia. = .341".
-
Helps cure:
- 1-2 Bang at light throttle
- Reduced 2-4 band life
Checkball 10000-08
Imidized Plastic, .250" Dia.
- Material: Imidized Plastic
- Dia.: 0.250"
-
Helps cure:
- Lost or damaged component
Oversized Throttle Valve 77968
-
Helps cure:
- Low line rise
- 3-4 Clutch & band failure
-
Tooling:
- 77968-RM
Shortened TV Link 77872-01
-
Helps cure:
- Low line rise
- Soft shifts
- 3-4 Clutch failure
- 3-4 Band failure
The Sure Cure® Kit SC-4L60
-
Helps cure:
- 3-4 Clutch failure
- Burnt clutches & bands
- Excess pump noise
- Low line pressure
- Low line rise
- Low Reverse boost
- 2-3 Shift feel poor
- Early upshifts
- Soft upshifts
- Soft shifts
- Slide shifts
- Delayed Reverse
-
Tooling:
- 77917-TL
Throttle Valve Plunger Kit 77966-94MK
Prevents forced 4-3 kickdown below three-quarter throttle
-
Helps cure:
- Low line rise
- Early upshifts
- Soft upshifts
- Premature 3-4 clutch failure
- Low line pressure
Throttle Valve Plunger Valve Kit 77966-94K
Replacement for OE plungers with “94” code.
-
Helps cure:
- Low line rise
- Early upshifts
- Soft upshifts
- Premature 3-4 clutch failure
- Low line pressure
3-4 Accumulator Sleeve Kit 77998-01K
-
Helps cure:
- Case damage
- Scored accumulator bores
- Worn accumulator bores
3rd Accumulator Checkball & Seat 74480D
-
Helps cure:
- 2-3 Soft
- 2-3 Flare
- 3-4 Clutch burned
- 2-4 Band burned
- 3-2 Bind-up
- 2-3 Bind-up
Oversized Accumulator Pin 77999
-
Helps cure:
- Reduced band life
- Reduced clutch life
- 2-3 Bind-up
- 2nd Gear starts
- Poor shift quality
-
Tooling:
- 77999-02K
Oversized Accumulator Pin & Reamer Kit 77999-02K
-
Helps cure:
- Reduced band life
- Reduced clutch life
- 2-3 Bind-up
- 2nd Gear starts
- Poor shift quality
Pinless Accumulator Piston Kit 77998-03K
In 200-4R applications, this kit can only be used in the 3-4 accumulator location.
-
Helps cure:
- Poor shift quality
- Burnt clutches & bands
Servo Release Check Valve Kit 77701-076
2nd Gear Servo Release
-
Helps cure:
- Reduced 3-4 clutch life
- 2-3 Shift feel poor
- 3-2 Bind-up
Metal Clad Viton® Seal 77911-02
Press in
- Material: Fluorocarbon
- Housing Bore: 0.750"
- Shaft Dia.: 0.500"
-
Helps cure:
- 2-3 Concerns
- 2-4 Band failure
TV Cable Corrector Kit for Holley Carburetors AS4-04K
Fits carburetors with Holley® aftermarket-style throttle arm.
