6L45, 6L50, 6L80, 6L90

6L45, 6L50, 6L80, 6L90 Oversized Clutch Boost ValvePart No. 104740-01 Fits any of 3 locations Tooling: F-104740-TL; VB-FIX This valve is packaged individually, but can be used in any of three bore locations: "B" Stamp: 4-5-6 Clutch Boost Valve "F" Stamp: 3-5-Reverse Clutch Boost Valve "K" Stamp: 1-2-3-4 Clutch Boost Valve Symptoms: Shift quality is not load sensitive Clutch pressure solenoid codes Burnt clutches Delayed engagement Harsh shifts Slide shifts Slip codes Slips & flares Cause: Wear in clutch boost valve bores causes feedback pressure instability, preventing normal shift operation. Correction: Recover hydraulic control and renew shift performance by reconditioning the bore and installing Sonnax oversized clutch boost valve kit.