Cruze

Control Valve Body Cover Replacement - LNP

1. Remove the charge air cooler outlet hose. Refer to Charge Air Cooler Outlet Hose Replacement : 2.0L Diesel LNP - MT → 2.0L Diesel LNP - AT → 2.0L Diesel LLW .
2. Remove the front compartment splash shield. Refer to Front Compartment Splash Shield Replacement .
3. Drain the transmission fluid.
4. Lower the vehicle.
5. Remove the transmission fluid cooler inlet pipe from the transmission. Refer to Transmission Fluid Cooler Inlet Pipe Replacement : 2.0L Diesel LNP → 2.0L Diesel LLW .
6. Remove the transmission fluid cooler outlet pipe from the transmission. Refer to Transmission Fluid Cooler Outlet Pipe Replacement : 2.0L Diesel LNP → 2.0L Diesel LLW .
7. Plug and/or cap the pipes and transmission to prevent contamination.



8. Disconnect the electrical connector (1) from the transmission control module (TCM), then unclip the connector from the transmission.
9. Remove the wiring harness starter motor from the transmission. Remove the bolt from the retainer on valve body cover. Unclip the wiring harness from the retainer on valve body cover and range selector cable bracket.



10. Remove the control valve body cover bolts (1).
11. Remove the control valve body cover.
12. Remove the control valve body cover gasket.

Caution: Support the control solenoid valve assembly around the connector when removing the seal. Excessive pulling force can damage the internal electrical connections.

13. Remove the control valve body cover wiring connector hole seal.
14. Remove all traces of the old gasket material. Clean the transmission case and control valve body cover gasket surfaces.

1. Install the control valve body cover wiring connector hole seal (4).
2. Install the control valve body cover gasket (3) to the control valve body cover.
3. Install the control valve body cover (2).
4. Hand start the control valve body cover bolts (1).

Caution: Refer to Fastener Caution in the Preface section.





Note: Install all control valve body cover bolts and studs by hand then torque all bolts and studs in sequence.

5. Install the control valve body cover bolts. Tighten the bolts in sequence to 12 N·m (106 lb in).



6. Connect the electrical connector (1) to the transmission control module (TCM), then clip in the wiring harness to the transmission.
7. Install the wiring harness starter motor to the transmission. Install the bolt to the retainer on valve body cover. Clip in the wiring harness to the retainer on valve body cover and range selector cable bracket.
8. Raise the vehicle.
9. Install the front compartment splash shield. Refer to Front Compartment Splash Shield Replacement .
10. Lower the vehicle.
11. Install the transmission fluid cooler outlet pipe to the transmission. Use a NEW sealing washer. Refer to Transmission Fluid Cooler Outlet Pipe Replacement : 2.0L Diesel LNP → 2.0L Diesel LLW .
12. Install the transmission fluid cooler inlet pipe to the transmission. Use a NEW sealing washer. Refer to Transmission Fluid Cooler Inlet Pipe Replacement : 2.0L Diesel LNP → 2.0L Diesel LLW .
13. Fill the transmission with correct fluid.
14. Check transmission fluid level. Refer to Transmission Fluid Level and Condition Check .
15. Check for leaks.
16. Install the charge air cooler outlet hose. Refer to Charge Air Cooler Outlet Hose Replacement : 2.0L Diesel LNP - MT → 2.0L Diesel LNP - AT → 2.0L Diesel LLW .