Product Description
Sonnax shift and TCC kit 6L45-6L90-MINI contains the most common and crucial repairs needed to get GM 6L45/50, 6L80/90 vehicles back on the road fast. Targeting loss of pressure and shift concerns, the kit features uniquely designed, drop-in transmission 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
CONTAINS
- 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
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.