K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Valve Body: Service and Repair
Turbo Hydra-Matic 3L80 & 3L80HD (400 & 475)
1.
Remove bottom pan and strainer.
2.
Disconnect pressure switch lead wire.
3.
Remove control valve body attaching screws and detent roller spring assembly. Do not remove solenoid attaching screws.
4.
Remove control valve body and governor pipes. If care is used in removing control valve body, the six check balls will stay in place above spacer
plate.
5.
Remove governor pipes and manual valve from control valve body.
6.
Reverse procedure to install.
