Cruze

Control Valve Body Cover Replacement - except LUJ, LLU, LNP, LLW

1. Remove the battery tray. Refer to Battery Tray Replacement .
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
3. Remove front compartment splash shield. Refer to Front Compartment Splash Shield Replacement .
4. Drain the transmission fluid.
5. Lower the vehicle.



6. Remove oil cooler inlet (1) and outlet (5) pipes from the retainer (2) from the control valve body cover.
7. Remove transmission fluid cooler inlet pipe nut (3) from the transmission.
8. Remove transmission fluid cooler inlet pipe (1) from the transmission. Refer to Transmission Fluid Cooler Inlet Pipe Replacement .
9. Discard sealing washer.
10. Remove transmission fluid cooler outlet pipe nut (4) from the transmission.
11. Remove transmission fluid cooler outlet pipe (5) from the transmission. Refer to Transmission Fluid Cooler Outlet Pipe Replacement .
12. Discard the sealing washer.
13. Plug and/or cap the pipes and transmission to prevent contamination.



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



16. Remove the control valve body cover bolts (1).
17. Remove the control valve body cover.
18. 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.

19. Remove the control valve body cover wiring connector hole seal.
20. 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) transmission control module (TCM), then clip in the wiring harness to transmission.
7. Install the wiring harness starter motor to transmission. Install bolt to retainer on valve body cover. Clip in wiring harness to 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 (5) to the transmission. Use NEW sealing washer. Refer to Transmission Fluid Cooler Outlet Pipe Replacement .
12. Install the transmission fluid cooler outlet pipe nut (4) and tighten to 22 N·m (16 lb ft).
13. Install the transmission fluid cooler inlet pipe (1) to the transmission. Use NEW sealing washer. Refer to Transmission Fluid Cooler Inlet Pipe Replacement .
14. Install the transmission fluid cooler inlet pipe nut (3) and tighten to 22 N·m (16 lb ft).
15. Install the oil cooler inlet (1) and outlet (5) pipes to the retainer (2) on the control valve body cover.
16. Fill the transmission to a proper level with the correct fluid. Refer to Transmission Fluid Level and Condition Check and Fluid Capacity Specifications .
17. Check for leaks.
18. Install the battery tray. Refer to Battery Tray Replacement .