Valve Body: Service and Repair

Main Control Valve Body

Service Repair No - 44.40.01

The content of this article reflects the changes identified in TSB - LTB00121

Special Service Tools





Removal

1. NOTE: The transmission control module (TCM) is part of the main control valve body and cannot be serviced separately.

WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.

Raise and support the vehicle.
2. Remove the fluid pan.





3. Disconnect the electrical connector.





4. Remove and discard the electrical connector sleeve.
^ Release the retainer.





5. Remove the valve body.
^ Position a container to collect spillage.
^ Remove the 10 Torx screws.





6. Using the special tool, remove the 4 seals.





7. Remove the seal block.

Installation





1. CAUTION: Make sure that when fully fitted, all seals protrude by the same amount.

CAUTION: Engage the selector lever with the groove in the piston rod.

Install the valve body.
^ Clean the component mating faces.
^ Install new seals.
^ Install a new seal block.
^ Tighten the Torx screws to 8 Nm (6 ft. lbs.).
2. Install a new electrical connector sleeve.
^ Secure with retainer.
3. Connect the electrical connector.
4. Install the fluid pan.
5. Calibrate a new main control valve body using T4.