Flare upshifts or downshifts, bind up, excess clutch overlap, clutch distress, Pressure control out of range codes - The C3 clutch control valve provides source pressure for control of clutch (band) apply and release. Responding to TCU and the linear solenoid, the C3 control valve will establish control timing of apply and release relative to engine torque. Bore wear will cause an overlap or premature exhaust of clutch pressure. Ream the valve bore and install the Sonnax improved valve & sleeve assembly and calibrated spring. contents: 1 C3 Clutch Control Valve, 1 C3 Clutch Control Sleeve, 1 Spring - tool kit F-39741-TL5 is necessary, please order separately - follow the VB-Fix procedures published by Sonnax.

TF80SC, TF81SC - Volvo (AM6); Opel (AF40); Peugeot (TF80); Saab (AF40/6); Land Rover (TF80); Ford (AF21) & Mazda (AW6A-EL).