Main Control Valve Body
Main Control Valve BodySpecial Tool(s):
Material:
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.
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Maintenance/Service and Repair.
2. Remove the drain plug and drain the transmission fluid.
^ Discard the drain plug gasket.
3. NOTE: Clean the area around the solenoid body connector to prevent contamination.
Disconnect the solenoid body harness electrical connector.
4. Disconnect the heated oxygen sensor (HO2S) connectors and retaining clip from the RH pan rail and then position the connectors aside.
5. Remove the HO2S connector from the front of the transmission pan rail.
6. 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.
7. Remove the transmission fluid filter.
8. Remove the 4 screws attaching the reverse servo to the transmission case and remove the servo.
9. Remove the screws and the solenoid body.
10. Remove the manual control valve detent spring.
11. Remove the main control valve body bolts and the main control valve body assembly.
Installation
1. Install the special tools into the transmission case.
2. Using the special tools, install the main control valve body and loosely install the screws.
1. Install the short screw.
2. Install the screw with the larger head.
3. Install the remaining screws.
3. Remove the special tool and loosely install the screw.
4. Tighten the screws in the sequence shown.
^ Tighten to 10 Nm (89 inch lbs).
5. Install the manual control valve detent spring.
^ Tighten to 10 Nm (89 inch lbs).
6. Install the reverse servo and the 4 screws.
Tighten the screws in sequence in 2 stages.
^ Stage 1: Tighten to 5 Nm (44 inch lbs).
^ Stage 2: Tighten to 11 Nm (8 ft. lbs).
7. Install new O-ring seals on the solenoid body connector. Lubricate the O-ring seals with clean automatic transmission fluid.
8. CAUTION: Inspect the transmission case bore to make sure it is free of foreign material and not damaged. If it is damaged, transmission leak may occur.
Install the solenoid body. Tighten the screws in sequence shown.
^ Tighten to 8 Nm (71 inch lbs).
9. 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.
Lubricate the seals and install the transmission fluid filter.
^ Tighten to 10 Nm (89 inch lbs).
10. NOTE: The transmission fluid pan gasket is reusable, clean and inspect for damage. If not damaged, the gasket should be reused.
Install the transmission fluid pan and gasket and loosely install the screws.
11. Tighten the screws in a crisscross sequence.
^ Tighten to 11 Nm (8 ft. lbs).
12. Install the drain plug.
^ Install a new gasket onto the drain plug assembly.
^ Tighten to 26 Nm (19 ft. lbs).
13. Install the HO2S connector to the front of the transmission pan rail.
14. Connect the HO2S connector and install the sensor wire retaining clip to the RH side of the transmission pan rail.
15. CAUTION: Damage will occur to the solenoid body assembly if the screw is tightened above specification.
NOTE: Always install new O-ring seals on the vehicle harness connector.
NOTE: Clean the area around the connector to prevent contamination of the solenoid body connector.
NOTE: Use petroleum jelly to lubricate the O-ring seals to aid in the installation process.
Install and lubricate new O-ring seals on the transmission connector and connect the connector.
^ Tighten to 5 Nm (44 inch lbs).
16. Fill the transmission to the correct level.