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

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

1. Disconnect the battery ground cable.

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

2. Raise and support the vehicle.
3. Drain the transmission fluid.
4. Remove the transmission support crossmember.
5. Release the RH front HO2S wiring harness.
^ Disconnect the electrical connector.





6. Release the RH rear HO2S wiring harness.
^ Disconnect the electrical connector.





7. Disconnect the RH catalytic converter from the muffler assembly
^ Remove the 2 nuts
^ Discard the gasket





8. Disconnect the RH catalytic converter from the exhaust manifold
^ Remove and discard the 2 bolts





9. Release oil pan.
^ Position a container to collect the oil spillage.
^ Remove the 21 Torx screws





10. Release and disconnect the electrical connector.





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





12. Remove the valve block and oil pan
^ Remove the 7 Torx bolts
^ Discard the O-ring seal.





13. Using the special tool, remove the 4 seals.
14. Remove the seal block.





Installation

CAUTION: Make sure that when fully fitted, all seals protude by the same amount

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

1. Install the valve block and oil pan
^ 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. Secure the oil pan
^ Tighten the Torx screws to 8 Nm (6 ft. lbs.)
5. Install the transmission support crossmember
6. Reconnect the battery ground cable
7. Fill the transmission with fluid
8. Using the Land Rover approved diagnostic equipment, calibrate the control body.