Timing Cover: Service and Repair

REMOVAL PROCEDURE






^ Tools Required
- J 28467-A Engine Support Fixture

1. Disconnect the negative battery cable.
2. Drain the cooling system. Recover the cooling system.
3. Install the J 28467-A.
4. Remove the engine mount assembly.
5. Remove the engine mount bracket support.
6. Remove the drive belt.
7. Remove the power steering pump.
8. Loosen the top two A/C compressor bolts.
9. Raise the vehicle. Support the vehicle.
10. Remove the right front tire and wheel assembly.
11. Remove the right front splash shield.
12. Remove the flywheel inspection cover.
13. Remove the crankshaft balancer.
14. Remove the drive belt tensioner.
15. Remove the engine mount strut.
16. Remove the right wheel speed sensor connector and the wire harness from the suspension support.
17. Remove the right ball joint.
18. Remove the right stabilizer shaft from the right suspension support and the right control arm.
19. Remove the right suspension support.
20. Remove the A/C compressor to oil pan bolts.
21. Remove the oil filter.
22. Remove the oil filter adapter.
23. Remove the engine mount strut bracket.
24. Remove the engine to transmission brace.
25. Drain the engine oil.
26. Remove the starter motor.
27. Remove the oil pan.
28. Remove the crankshaft sensor.
29. Remove the lower front cover bolts.
30. Lower the vehicle.
31. Remove the Coolant by-pass pipe to the coolant pump and the manifold.
32. Remove the radiator hose to coolant outlet housing.
33. Remove the upper front cover bolts.
34. Remove the engine front cover.
35. Remove the front crankshaft oil seal.
36. Clean the mating surfaces of the following items:
36.1. The front cover.
36.2. The oil pan
36.3. The cylinder block
37. Clean the sealing surfaces with degreaser.

INSTALLATION PROCEDURE
1. Install the front cover gasket. Do not damage the sealing surfaces.
2. Apply sealer to both sides of the lower tabs of the front cover gasket. Use GM RTV sealer GM P/N 1052080 or its equivalent.
3. Install the front cover oil seal.
4. Place the front cover on the engine.
5. Install the upper two front cover bolts.
^ Tighten the bolts to 21 Nm (15 ft. lbs.).

6. Install the radiator hose to the coolant housing.
7. Install the Coolant by-pass pipe to the coolant pump and the manifold.
8. Raise the vehicle. Support the vehicle.
9. Install the lower engine front cover bolts.
^ Tighten the small bolts (1) to 21 Nm (15 ft. lbs.).
^ Tighten the large bolts (2) to 47 Nm (35 ft. lbs.).

10. Install the crankshaft sensor.
11. Install the oil pan.
12. Install the starter motor.
13. Install the engine to transmission brace.
14. Install the engine mount strut bracket.
15. Install the oil filler adapter.
16. Install the oil filter.
17. Install the A/C compressor to the oil pan bolts.
18. Install the right suspension support.
19. Install the stabilizer shaft to the right suspension support and the control arm.
20. Install the right ball joint.
21. Install the right wheel speed sensor connector and the wire harness to the suspension support.
22. Install the engine mount strut.
23. Install the drive belt tensioner.
24. Install the crankshaft balancer.
25. Install the flywheel inspection cover.
26. Install the right splash shield.
27. Install the right front tire and wheel assembly.
28. Lower the vehicle.
29. Install the A/C compressor top bolts.
30. Install the power steering pump.
31. Install the drive belt.
32. Install the engine mount bracket support and bolt.
^ Tighten the 8 mm bolts to 20 Nm (15 ft. lbs.).
^ Tighten the 12 mm bolts to 40 Nm (30 ft. lbs.).

33. Install the engine mount assembly.
34. Remove the engine support fixture.
35. Fill the cooling system.
36. Fill the engine with oil.
37. Connect the negative battery cable.