Transmission Products GM Valve Body Valve / Sleeve

Symptoms:

Low line pressure
Overheated transmission
Harsh TCC apply
Solenoid performance codes
Clutch failure
Pressure control out-of-range codes
Slips, flares & bind-ups
Code P0731
Code P0751
Code P0776

Cause:

Worn components lead to pressure loss in the main line, clutch apply control, solenoid feed and lock-up control circuits.

Correction:

Installing the drop-in Sonnax shift and TCC kit seals critical pressure losses.

6L45 | 6L50 | 6L80 | 6L90

Shift & TCC Kit
Part No. 6L45-6L90-MINI

View Instructions Find a Distributor

Sonnax shift and TCC kit 6L45-6L90-MINI contains the most common and crucial repairs needed to get GM 6L80-series vehicles back on the road fast. Targeting loss of pressure and shift concerns, the kit features uniquely designed, drop-in parts, that install quickly with no reaming and no special tools required.

Sonnax 6L45-6L90-MINI also allows you to rebuild the pressure switch assembly, instead of replacing the entire TEHCM, saving you time and money. The installation tools included in this kit allow rebuilders to perform pressure switch repairs quickly, easily and safely.

Provides targeted, cost-effective repairs for common shift and TCC issues to get vehicles back on the road fast
Restores hydraulic integrity for improved drivability and crisp, clean shifts without harshness
Helps avoid expensive TEHCM replacement by repairing failed pressure switches in the shop
Drop-in Zip Valve^™ parts install quickly and easily — no reaming or special tools required

Learn More About Zip Valve™ Drop-In Repairs

Contents

Pressure Regulator Valve
Line Pressure Booster Kit
Actuator Feed Limit Valve Kit
TCC Regulator Valve Kit
Laminate Discs (5)
Seals (5)
Pressure Switch Rebuild Installation Tool Kit
Checkball .125" dia.
Checkballs (8) .250" dia., 2 Extra

Valve Body Layout

Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. See all Sonnax valve body layouts.