V 3500 P/U 4WD V8-350 5.7L VIN K TBI (1988)
Shift Modulator: Service and Repair
THM 400/475 Transmission
1. Remove modulator attaching screw and retainer.
2. Remove modulator assembly from case and discard O-ring seal.
3. Remove modulator valve from case.
4. Reverse procedure to install, using a new O-ring seal.
