K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Valve Body: Service and Repair
Turbo Hydra-Matic 4L60 (700-R4)
Auxiliary Valve Body Replace
1. Raise and support vehicle, then drain transmission fluid.
2. Remove transmission oil pan and filter.
Valve Body
3. Remove two bolts that attach auxiliary accumulator valve tube to control valve assembly and accumulator valve body assembly.
4. Remove two tube clamps, gently pry tube loose from oil pump assembly and auxiliary accumulator valve body assembly.
5. Remove three auxiliary accumulator valve body to transmission case attaching bolts.
6. Remove auxiliary valve body and check ball.
7. Reverse procedure to install.
Control Valve Assembly Replace
1. Disconnect battery ground cable.
2. Disconnect TV cable at throttle lever, then raise and support vehicle.
3. Drain transmission fluid, then remove transmission oil pan, filter and gasket.
