Oil Pan: Service and Repair

Oil Pan Replacement

1. Install engine support fixture. Refer to Engine Support Fixture Removal and Replacement.
2. Remove the drive belt. Refer to Drive Belt Replacement Service and Repair.
3. Raise and support the vehicle.
4. Drain the crankcase.
5. Remove the right front tire and wheel assembly.
6. Remove the right front fender liner. Refer to Front Fender Liner Replacement .
7. Remove the right front antilock brake system (ABS) wheel speed sensor harness from the right suspension support.
8. Remove the right front ball joint, the cotter pin and the nut. Separate the ball joint from the control arm.
9. Remove the right outer tie rod cotter pin and the nut. Separate the rod from the spindle.
10. Remove lower closeout panel.






11. Remove the A/C compressor bolts and support the compressor. Refer to Air Conditioning Compressor Replacement Service and Repair.
12. Position the compressor aside. Support the compressor.
13. Remove the brace between the engine and the transmission.
14. Disconnect the oil level sensor.
15. Remove the retainers that secure the brake line to the frame.
16. Remove the starter. Refer to Starter Motor Replacement Service and Repair.
17. Remove the nuts/bolts that secure the front and the rear transmission to the frame.
18. Loosen the left cradle bolts.
19. Remove the cradle bolts from the front and the rear of the right side of the engine.






20. Remove the oil pan side bolts.
21. Remove the oil pan bolts.
22. Remove the oil pan.
23. Remove the oil pan gasket.
24. Clean the following items:
- The oil pan flanges
- The oil pan rail
- The front cover
- The rear main bearing cap
- The threaded holes

Installation Procedure






1. Install a new gasket. Place sealant on the oil pan gasket tabs if you are installing the rear main bearing cap. Place the sealer on the tabs that insert into the gasket groove of the outer surface on the main bearing cap. Use GM P/N 12346004 (Canadian P/N 10953480) or the equivalent.
2. Install the oil pan.

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

3. Install the oil pan bolts.

Tighten
Tighten the bolts to 25 Nm (18 lb ft).

4. Install the oil pan side bolts.

Tighten
Tighten the bolts to 50 Nm (37 lb ft).

5. Position the cradle and install the right side bolts.

Tighten
Tighten the bolts to 110 Nm (81 lb ft).

6. Install the nuts/bolts to front and rear transmission mounts.

Tighten
Tighten the bolts/nuts to 120 Nm (89 lb ft).

7. Install the starter. Refer to Starter Motor Replacement Service and Repair.
8. Install the A/C compressor to the engine. Refer to Air Conditioning Compressor Replacement Service and Repair.
9. Install the right side ball joint. Refer to Lower Control Arm Ball Joint Replacement Service and Repair.
10. Install the right side tie rod end to the spindle.
11. Connect the right front ABS wheel speed sensor harness.
12. Install the retainers that connect the brake line to the frame.
13. Install the right front fender liner. Refer to Front Fender Liner Replacement .
14. Install the right front tire and wheel assembly.
15. Install the lower closeout panel.
16. Lower the vehicle.
17. Remove the engine support fixture.
18. Install the drive belt. Refer to Drive Belt Replacement Service and Repair.
19. Fill the crankcase.