C 20 3/4 Ton Pickup 2WD V8-379 6.2L DSL VIN J FI (1982)
Shift Modulator: Service and Repair
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.
