Oil Pan: Service and Repair

This article has been updated with TSB 91-6A-4

PAN AND GASKET REPLACEMENT PROCEDURE









TOOLS REQUIRED:
^ J 28467-A Engine Support Fixture

REMOVE OR DISCONNECT
1. Negative battery cable Air cleaner and duct assembly.
3. Serpentine belt.
4. Engine torque strut from engine bracket.
5. Two upper front A/C compressor bolts to mounting bracket.
6. Install J 28467-A.
7. Raise vehicle and suitably support.
8. Right front tire and wheel assembly.
9. Right engine splash shield.
10. Exhaust pipe and converter.
11. Lower front A/C compressor mounting bolt and support brace.
12. Rear A/C compressor mounting bracket bolts.
13. Wire harness from bracket at transaxle.
14. Flywheel cover bolts.
15. Starter and support bracket, set aside.
16. Flywheel cover.
17. Engine support bracket bolts to engine.
18. Loosen transaxle mounting nuts.
19. Lower vehicle.
20. Raise front of engine about 3 inches using J 28467-A.
21. Engine support bracket nuts to engine mount and frame assembly. Remove support bracket and mount.
22. Raise vehicle and suitably support.
23. Drain engine oil.
24. Using a jack stand, place a wood support along transaxle oil pan inside edge. Raise transaxle and engine assembly to normal sitting position using J 28467-A.
25. Oil pan retaining bolts.
26. Oil pan from engine block.

CLEAN
^ Engine block and oil pan surfaces.

INSTALL OR CONNECT
1. Apply RTV sealer GM P/N 12345739 or equivalent.
2. Oil pan to engine block.
3. Oil pan retaining bolts.
^ Tighten bolts to 10 Nm (89 lbs.in.).
4. Remove jack stand and wood support.
5. Lower vehicle.
6. Fill engine oil.
7. Nuts holding engine support bracket to engine mount and mount assembly to frame assembly, bracket and mount.
8. Lower front of engine.
9. Raise vehicle.
10. Transaxle mounting nuts.
^ Tighten Nuts to 50 Nm (37 lbs.ft.).
11. Engine support bracket bolts to engine.
^ Tighten Bolts to 50 Nm (37 lbs.ft.).
12. Flywheel cover.
13. Starter assembly and support bracket.
14. Flywheel cover bolts.
^ Tighten Bolts to 10 Nm (89 lbs.in.).
15. Wire harness to bracket at transaxle.
16. Rear A/C compressor mounting bracket bolts.
^ Tighten Bolts to 30 Nm (22 lbs.ft.).
17. Lower front A/C compressor mounting bolts and support brace.
^ Tighten Bolts to 25 Nm (18 lbs.ft.).
18. Exhaust pipe and converter.
19. Right engine splash shield.
20. Right front tire and wheel assembly.
21. Lower vehicle.
22. Remove J 24867-A.
23. Upper front A/C compressor to mounting bracket bolts.
^ Tighten bolts to 25 Nm (18 lbs.ft.).
24. Engine torque strut to engine bracket.
^ Tighten nuts to 56 Nm (41 lbs.ft.).
25. Serpentine belt.
26. Air cleaner and duct assembly.

INSPECT
^ Oil level Leaks.