Main Control Valve Body
Main Control Valve Body
Removal
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Vehicle Jacking and Lifting.
2. Remove the transmission fluid pan drain plug and drain the transmission fluid.
3. NOTE: Clean the area around the transmission vehicle harness connector to prevent contamination of the transmission control solenoid vehicle harness connector.
Disconnect the transmission vehicle harness connector.
4. NOTE: The transmission fluid pan gasket is reusable. Clean and inspect for damage. If not damaged, the transmission fluid pan gasket should be reused.
Remove the 16 transmission fluid pan screws, transmission fluid pan and transmission fluid pan gasket.
5. Remove the transmission fluid filter.
6. Remove the reverse servo assembly screws and the reverse servo assembly.
7. Remove the transmission control solenoid body screws and the transmission control solenoid body.
8. Remove the manual control valve detent spring.
9. Remove the main control valve body screws and the main control valve body.
Installation
1. Install the Valve Body Aligners into the transmission case.
2. Using the Valve Body Aligners, install the main control valve body and loosely install the main control valve body-to-case screws.
1. Install the short main control valve body-to-case screw.
2. Install the main control valve body-to-case screw with the larger head.
3. Install the remaining main control valve body-to-case screws.
3. Remove the Valve Body Aligners and loosely install the main control valve body screw.
4. Tighten the main control valve body screws in the sequence shown.
- Tighten to 10 Nm (89 lb-in).
5. Install the manual control valve detent spring screw.
- Tighten to 10 Nm (89 lb-in).
6. Install the reverse servo assembly. Tighten the reverse servo assembly screws in 2 stages, in the sequence shown.
- Stage 1: Tighten to 5 Nm (44 lb-in).
- Stage 2: Tighten to 11 Nm (97 lb-in).
7. Install new O-ring seals on the transmission control solenoid body connector. Lubricate the O-ring seals with transmission fluid.
8. NOTICE: Inspect the transmission case bore to make sure it is free of foreign material and not damaged. If damaged, a transmission leak may occur.
Install the transmission control solenoid body. Tighten the transmission control solenoid body screws in the sequence shown.
- Tighten to 8 Nm (71 lb-in).
9. NOTICE: Damage may occur to transmission fluid filter seals if they are not lubricated with transmission fluid.
NOTE: Make sure that the transmission fluid filter seals are correctly seated on the transmission fluid filter.
Lubricate the transmission fluid filter seals and install the transmission fluid filter. Tighten the transmission fluid filter screws.
- Tighten to 10 Nm (89 lb-in).
10. NOTE: The transmission fluid pan gasket is reusable. Clean and inspect for damage. If not damaged, the transmission fluid pan gasket should be reused.
Install the transmission fluid pan gasket on the transmission fluid pan.
11. Install the transmission fluid pan and transmission fluid pan gasket and loosely install the transmission fluid pan-to-case screws.
12. Tighten the transmission fluid pan-to-case screws in a crisscross sequence.
- Tighten to 11 Nm (97 lb-in).
13. NOTICE: Damage will occur to the transmission vehicle harness connector if the screw is tightened above specification.
NOTE: Always install new O-ring seals on the transmission control solenoid body connector.
NOTE: Clean the area around the transmission vehicle harness connector to prevent contamination of the transmission control 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 control solenoid body harness connector and connect the connector.
- Tighten to 5 Nm (44 lb-in).
14. Fill the transmission. For additional information, refer to Transmission Fluid Drain and Refill Transmission Fluid Drain and Refill.