Removal and Installation

Main Control Valve Body





Special Tool(s)

Removal

1. NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms can occur while the vehicle relearns its adaptive strategy. The customer needs to be notified that they may experience slightly different upshifts (either soft or firm) and this is a temporary condition and will eventually return to normal operating condition.

Disconnect the battery ground cable.
2. Raise and support the vehicle.





3. If equipped, remove the drain plug and drain the fluid.





4. If equipped, remove the converter housing access plug.





5. Remove the converter drain plug and discard.





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

Disconnect the solenoid body harness connector.





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

Remove the 16 transmission fluid pan screws, fluid pan, and gasket.





8. Remove the transmission fluid filter.





9. Remove the solenoid body.





10. Remove the reverse servo.





11. Remove the manual control valve detent spring.





12. Remove the main control valve body.

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.





3. Remove the special tools, and loosely install the screw.





4. Tighten the screws in the sequence shown.





5. Install the manual control valve detent spring.





6. Install the reverse servo. Tighten the screws in the sequence shown.





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 bolts in sequence shown.





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.





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

Install the fluid pan gasket on the pan.





11. Install the transmission fluid pan and gasket and loosely install the screws.





12. Tighten the screws in a crisscross sequence.





13. NOTE: A new converter drain plug must be used to prevent leakage.

If removed, install a new converter drain plug.





14. If removed, install the converter housing access plug.





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 vehicle harness connector.

NOTE: Clean the area around 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.

16. Fill the transmission.

17. Lower the vehicle.

18. NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms can occur while the vehicle relearns its adaptive strategy. The customer needs to be notified that they may experience slightly different upshifts (either soft or firm) and this is a temporary condition and will eventually return to normal operating condition.

Connect the battery ground cable.