Timing Cover: Service and Repair

Engine Front Cover Replacement
Removal Procedure
1. Disconnect the negative battery cable.
2. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (Vac-N-Fill).
3. Remove the drive belt tensioner.
4. Drain the engine oil.
5. Remove the oil pan.
6. Remove the crankshaft balancer.
7. Remove the thermostat bypass pipe from the engine front cover.
8. Remove the radiator outlet hose from the engine front cover.
9. Remove the water pump from the engine front cover.
10. Remove the power steering pump from the engine.

11. Remove the engine front cover bolts.
12. Remove the engine front cover.

13. Remove the engine front cover gasket.
14. Clean and inspect the engine front cover. Refer to Engine Front Cover Cleaning and Inspection.
15. If replacing the engine front cover, remove the drive belt shield bolt and the drive belt shield.
16. If replacing the engine front cover remove the water pump.

Installation Procedure

1. Apply sealant to both sides of the engine front cover gasket with GM P/N 12346004 (Canadian P/N 10953480) or equivalent. Apply the sealer no less than 5.0 mm (0.20 inch) wide.

2. Install the engine front cover gasket.

3. Install the engine front cover.
4. Install the engine front cover bolts (1, 2, and 3).
^ Tighten the small engine front cover bolts (1) to 27 Nm (20 ft. lbs.).
^ Tighten the large engine front cover bolts (2, 3) to 55 Nm (41 ft. lbs.).
5. Install the power steering pump to the engine.
6. Install the water pump.
7. Install the radiator outlet hose to the engine front cover.
8. Install the thermostat bypass pipe to the engine front cover.
9. Install the crankshaft balancer.
10. Install the oil pan.
11. Install the drive belt tensioner.
12. Fill the crankcase with new engine oil.
13. Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (Vac-N-Fill) in Engine Cooling.
14. Connect the negative battery cable.