Sonnax Chrysler 42RE Transmission

Remanufactured Valve Body

42RE • 44RE

Remanufactured Valve Body CHR112

’00-Later, Small Pump Inlet, Late Sensor

Internal

Bearing & Plate Kit 12860-01K

O.D. Sungear to Planet

Helps cure:

Bearing noise
Bearing failure

Bearing Kit SBK-C16

Fits '88-Later

Helps cure:

Bearing noise
Bearing failure

Inner Overdrive Bearing 12738

Bearing Style: Enclosed
Inner Dia.: 2.168"
Outer Dia.: 3.218"
Width: 0.190"

Helps cure:

Bearing noise
Bearing failure

Intermediate Plug & Pilot Kit 22171A-02K

Helps cure:

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

Output Pilot Bushing 12510-01

'90-Later

Bushing Style: Precision
Material: Steel-backed bimetal
Width: 0.480"
Shaft Dia.: 0.601"
Housing Bore: 0.746"

Helps cure:

Bushing wear
Bushing failure

Overdrive Shim Kit 12783-01K

Material: Steel

Helps cure:

Not enough OE washers to properly set end clearance

Oversized Overdrive 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

Oversized Piston Retainer Kit 12962N-02K

Helps cure:

Loss of lubrication oil to planetaries
Reverse drum, retainer & planet failure

Rear Planet Endplay Shim 12780-Z

For 3- or 4-tanged OE thrust washer design.

Material: Steel
Inner Dia.: 2.000"
Thickness: 0.010"
Outer Dia.: 2.810"

Helps cure:

Excess total transmission endplay

Pump

Pump Bushing 12502-01

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

Valve Body (View Valve Body Layout Diagram)

3-4 Accumulator Spring 12861-01

Matches OE 47RE diesel calibration.

Helps cure:

3-4 Soft

4-Spool Switch Valve 22771A-01

Improved Sonnax design, fits '93-later units only.

Helps cure:

Lockup shudder
Overheated converter
Low cooler flow
Soft TCC apply
Build up of release pressure during lockup

4-Spool Switch Valve 22771A-43

OE design, fits '93-later units only.

Helps cure:

Lockup shudder
Overheated converter
Lost or damaged component

Boost Valve Spring Retainer 22990-01

Helps cure:

Leakage of 4th & TCC oil pressure
Slipping gears

E-Ring 10000-03K

Manual shaft

Shaft Dia.: 0.250"

Helps cure:

Lost or damaged component

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

Heavy Duty Throttle Valve Kit 22771-HDK3

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

Line Pressure Plug & Sleeve Kit 22229-01K

Fits Chrysler A727 units with boost tube only and 42-46-47RH/RE units with .200" plug dia. .200" Dia. plug

Helps cure:

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

Line Pressure Plug & Sleeve Kit 22229-04K

Fits Chrysler A727 units with boost tube only and 42-46-47RH/RE units with .264" plug diameters. .264" Dia. Plug

Helps cure:

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

Lube Regulated Pressure Regulator Valve 22771A-02K

Fits '78-later units only.

Helps cure:

Delayed engagement
Pressure regulator buzz
Converter drain back
Lube failures
Converter bushing failure

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

Neutral Safety Back-Up Insulator Service Kit 22229-03

Fits '70–'02 units with 3-terminal switch

Helps cure:

Lost or damaged component

Neutral Safety Back-up Insulator Service Kit 22229-07K

Fits ’02-Later with 5-terminal switch

Helps cure:

Lost or damaged component

Oversized 4-Spool Switch Valve 22771A-13

Fits '93-later, 4-spool valves only.

Helps cure:

Lockup shudder
Overheated converter
Low cooler flow
Soft TCC apply
Build up of release pressure during lockup

Tooling:

22771A-TL13

Oversized Lockup Boost Valve Kit 22771-19K

'94-Later with boost oil delivery tube

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

Tooling:

F-22771-TL19
VB-FIX

Oversized Lube Regulated Pressure Regulator Valve Kit 22771A-07K

OE valve must match '78-later design

Helps cure:

Delayed engagement
Pressure regulator buzz
Converter drain back
Lube failures
Converter bushing failure

Tooling:

F-22771A-TL7
VB-FIX

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

Tooling:

F-22771-TL
VB-FIX

Pressure Regulator Valve 22771A-42

Fits '78-later units only.

Helps cure:

Delayed engagement
Pressure regulator buzz
Lost or damaged component

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

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

Valve Body Detent Ball & Sleeve Kit 22771-12K

Kit is designed to fit both the short and long OE detent bore designs.

Helps cure:

Manual lever binds in Park position
Damaged valve body casting
Linkage loose
No start

Tooling:

22771-TL12

Valve Body Detent Spring 22771-36

Fits both short and long OE detent bore designs.

Helps cure:

Manual lever binds
Linkage loose
No start

Valve Body Separator Plate 22747-6B

Helps cure:

Lost or damaged component

Case

Accumulator Piston Kit 22841-04K

Checkball 10000-13

Material: Plastic
Dia.: 0.188"

Cooler Line Adapter 22000-01

For cases with .250" pipe fittings only.

Helps cure:

Oil leaks

Tooling:

22000-01K

Cooler Line Repair Kit 22000-01K

For cases with 1/4" pipe fittings only.

Helps cure:

Oil leaks

Intermediate Accumulator Sleeve Kit 22841-01K

Helps cure:

1-2 Soft
Delayed engagement
Forward clutch failure
Low line rise

Neutral Safety Switch Adapter Kit 22179-06K

Allows late-style, 5-terminal neutral safety switch cases to be used in early-style, 3-terminal vehicles.

Helps cure:

Late cases cannot be used for early applications

Replacement Seal Kit 22841-04SK

For 22841-04K

Shift Lever Case Bore Repair Sleeve 22179-02

Helps cure:

Leaking manual shaft case seal

Tooling:

56361-TL

Servo/Band

Rear Servo Piston 22912A

2.54" O.D.

Helps cure:

Burnt bands
No Reverse
Rear servo piston sticking/breakage

Reverse Servo Piston Plug Kit 22912-01K

Does not fit '73-earlier

Helps cure:

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

Other

Tool Kit 22771A-TL13

Tool Kit 22771-TL12

Tool Kit F-22771A-TL7

Tooling:

VB-FIX

Tool Kit F-22771-TL

Tooling:

VB-FIX

Tool Kit F-22771-TL19

Tooling:

VB-FIX

Tech Resources

FEATURED

January 01, 2013

Identification Guide

Chrysler 42RE, 46RE, 47RE Valve Body Identification

Valve Body Xpress

December 12, 2014

Valve Body Layout

Chrysler 42-44-46-47RH/RE, 48RE Valve Body Layout

March 11, 2024

Shift of the Shaft! Diagnosing Chrysler 48RE Manual Shaft Issues

Randall Schroeder

October 13, 2022

Line-to-Lube/Converter: A Balancing Act — PR Valve Position is Key

Maura Stafford

May 16, 2010

Transmission Report Newsletter: May 2010

November 22, 2008

Chrysler RWD Valve Body Linkage Pivot Wear

Gregg Nader

May 19, 2006

SonnaFlow® Chart: 42-47RE (Normal & Poor)

November 26, 2004