Main Control Valve Body: Removal

CAUTION: Lubricate the fluid filter seals with clean automatic transmission fluid or they may be damaged.

NOTE: Make sure that the fluid filter seals are correctly seated on the filter.

NOTE: Clean the area around the solenoid body connector to prevent contamination.

NOTE: The transmission fluid pan gasket is reusable. Clean and inspect for damage. If not damaged, the gasket should be reused.

With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING & LIFTING .
Drain the transmission fluid.

Fig 1: Locating Transmission Fluid Drain Plug

NOTE: Clean the area around the solenoid body connector to prevent contamination.
Disconnect the solenoid body harness electrical connector.

Fig 2: Locating Transmission Solenoid Electrical Connector
Disconnect the heated oxygen sensor (HO2S) connectors and retaining clip from the RH pan rail and then position the connectors aside.

Fig 3: Locating HO2S Connectors & Retainer
Remove the HO2S connector from the front of the transmission pan rail.

Fig 4: Identifying HO2S Connector Retainer

NOTE: The transmission fluid pan gasket is reusable. Clean and inspect the gasket for damage. If not damaged, the gasket should be reused.
Remove the transmission fluid pan and gasket.

Fig 5: Identifying Transmission Fluid Pan Bolts
Remove the transmission fluid filter.

Fig 6: Locating Transmission Fluid Filter And Screws
Remove the 4 screws attaching the reverse servo to the transmission case and remove the servo.

Fig 7: Locating Reverse Servo Assembly
Remove the screws and the solenoid body.

Fig 8: Locating Solenoid Body Mounting Screws
Remove the manual control valve detent spring.

Fig 9: Identifying Manual Control Valve Detent Spring
Remove the main control valve body bolts and the main control valve body assembly.

Fig 10: Locating Main Control Valve Body Bolts & Main Control Valve Body