Sonnax Chrysler 66RFE Transmission

Remanufactured Valve Body

45RFE, 545RFE, 65RFE, 66RFE, 68RFE Universal Remanufactured Valve Body CHR146

This RVB is not compatible with the '19-later applications with additional bolt on transfer plate reverse accumulator body.

45RFE, 545RFE, 65RFE, 66RFE, 68RFE Universal Remanufactured Valve Body CHR145

This RVB is not compatible with the '19-later applications with additional bolt on transfer plate reverse accumulator body.

Internal

4C Retaining Ring & Shim Kit 72978-01K

Bearing Kit SBK-C18

Fits units 2007-later.

Helps cure:

Bearing noise
Bearing failure

Heavy Duty Overdrive Clutch Hub & Shaft 72570-01

Pump

Line Pressure Booster Kit RFE-LB1

For use in '99–'18 gas and diesel units. Can be used in '19-later if underdrive pulse is turned off with aftermarket software.

Lube Regulated Pressure Regulator Valve 44912-17K

Helps cure:

Low cooler flow at idle
Restricted converter/lube flow
Engine stall at idle
Overheated fluid
Converter drain back
Delayed engagement
Lube failures

Oversized Lube Regulated Pressure Regulator Valve Kit 44912-15K

Helps cure:

Low cooler flow at idle
Restricted converter/lube flow
Engine stall at idle
Overheated fluid
Poor line pressure control
Harsh shifts
Soft shifts
Burnt clutches
Converter drain back
Lube failures

Tooling:

F-44912-TL10
VB-FIX

Oversized Pressure Regulator Valve Kit 44912-10K

Selective springs

Helps cure:

Harsh shifts
Erratic line pressure
Broken parts due to excessive line pressure
High line pressure
Burnt clutches
Restricted converter/lube flow
Soft shifts

Tooling:

F-44912-TL10
VB-FIX

Oversized 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

Tooling:

F-44912-TL
VB-FIX

Oversized TCC Apply Limit Switch Valve Kit 44912-41K

Helps cure:

Repeated converter failure
Damaged converter
Excess converter pressure
No lockup
TCC slip
TCC apply & release concerns

Tooling:

F-44912-TL8
VB-FIX

Oversized TCC Regulator & Accumulator Valve Kit 44912-12K

Helps cure:

Converter concerns
Lockup concerns

Tooling:

F-44912-TL12
VB-FIX

Oversized TCC Switch Valve Kit 44912-08K

Helps cure:

No lockup
Engine stall
TCC slip
Overheating
TCC codes
Loss of fuel economy
TCC apply & release concerns
TCC lining failure

Tooling:

F-44912-TL8
VB-FIX

TCC Accumulator Spring 44912-01

Fits ’18-earlier only in 68RFE.

Helps cure:

Harsh TCC apply
TCC apply & release concerns

TCC Accumulator Valve Kit 44912-18K

Fits ’18-earlier only in 68RFE.

Helps cure:

Converter concerns
Lockup concerns

TCC Apply Limit Switch Valve Kit 44912-36K

Helps cure:

Repeated converter failure
Damaged converter
Excess converter pressure
No lockup
TCC slip
TCC apply & release concerns

TCC Regulator Valve Kit 44912-11K

Fits ’18-earlier only in 68RFE.

Helps cure:

Converter concerns
Lockup concerns

Torque Converter Limit Spring 44912-02

Fits OE aluminum valves found in early-style units only

Helps cure:

Broken spring
Engine stall on engagement
Delayed engagement
Loss of power

Valve Body (View Valve Body Layout Diagram)

Accumulator Cover Plate Kit 44892-01K

Helps cure:

Damaged accumulator plate

Tooling:

44892-TL

Accumulator Piston Kit 44894-01MK

Accumulator Piston Kit 44894-01K

Checkball 10000-08

Material: Imidized Plastic
Dia.: 0.250"

Helps cure:

Lost or damaged component

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)

Tooling:

F-92835-TL32
VB-FIX

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)

Tooling:

F-92835-TL31
VB-FIX

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
OD clutch burned
Failsafe mode
Bind-up
Wrong gear starts
TCC apply & release concerns (41 & 42 series)
Engine stall (41 & 42 series)
No lockup (41 & 42 series)

Tooling:

92835-RM22

Remanufactured Solenoid Block 44836A

'18-Earlier, white connector. If supplying a core for your solenoid, please order 44836A-RRP. If no core available, please order 44836A-C.

Helps cure:

Shift concerns

Remanufactured Solenoid Block 44836B

Fits '09-'18 545RFE & 68RFE; '18-earlier 65RFE & 66RFE. If supplying a core for your solenoid, please order 44836B-RRP. If no core available, please order 44836B-C.

Helps cure:

Shift concerns

Replacement Seal Kit 44894-01SK

Solenoid Spacer & Service Kit 44836-02K

OE filter screen fits all 62TE, 65/66/68RFE units and '04-later 45/545RFE units.

Helps cure:

Code 841, 846, 871, 876, 988

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
OD clutch burned
Failsafe mode
Bind-up
TCC apply & release concerns (41 & 42 series)
Wrong gear starts
Engine stall (41 & 42 series)
No lockup (41 & 42 series)

Solenoid Switch Valve Plug Kit 92835-39K

Fits bores containing OE switch valve with .453" dia. large spool and ID groove.

Helps cure:

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

The Sure Cure® Kit SC-RFE-420

Fits ’18-earlier units with OE switch valve with .420" dia. large spool only.

Helps cure:

OD clutch burned
Failsafe mode
Damaged accumulator plate
Engine stall
Low cooler flow
Overheated converter
Harsh shifts
Codes 841, 868, 871, 988, 1775, 1776

Tooling:

The Sure Cure® Kit SC-RFE-453

Fits ’18-earlier units with OE switch valve with .453" dia. large spool only.

Helps cure:

OD clutch burned
Failsafe mode
Damaged accumulator plate
Engine stall
Low cooler flow
Overheated converter
Harsh shifts
Codes 841, 868, 871, 988, 1775, 1776

Tooling:

Other

Bore Sizing Tool 92835-BST

Bore Sizing Tool 92835-BST2

RFE Transducer Connector RFE-RC1

Helps cure:

Erratic line pressure
High line pressure
Pressure control out-of-range codes

Reamer 92835-RM22

Thermal Bypass Eliminator Kit 72760-01K

For use in OE part numbers 52014762AA, 68186711AB, 68291739AA and 68210018AA.

Helps cure:

Overheating
Overheated fluid

Thread Tap 44892-TL

Tool Kit F-92835-TL31

Tooling:

VB-FIX

Tool Kit F-44912-TL10

Tooling:

VB-FIX

Tool Kit F-44912-TL

Tooling:

VB-FIX

Tool Kit F-44912-TL12

Works for all 68RFE.

Tooling:

VB-FIX

Tool Kit F-44912-TL8

Tooling:

VB-FIX

Tech Resources

February 11, 2025