Timing Cover: Service and Repair
Engine Front Cover ReplacementTools Required
^ J 4421 9 Cover Alignment Pins
Removal Procedure
1. Drain the engine coolant.
2. Remove the cooling fan and the shroud.
3. Remove the drive belt.
4. Remove the water pump.
5. Remove the crankshaft balancer.
6. Remove the power steering pump.
7. Raise the vehicle.
8. Remove the oil pan.
9. Lower the vehicle.
10. Remove the 7 mm center bolt (1).
11. Loosen and remove the remaining engine front cover bolts.
12. Place two of the front cover bolts in the jack screw holes on the front cover and tighten the bolts evenly to release the front cover from the engine.
13. Remove the two bolts from the front cover.
14. Remove the oil pump.
15. Clean and inspect the front cover.
Installation Procedure
1. Install the J 44219, onto the engine.
Important: The engine front cover must be installed within 10 minutes from when the sealer was applied.
2. Apply a 3 mm (0.12 inch) bead of sealer GM P/N 12378521 to the trace grooves on back side of the engine front cover (1).
3. Also apply sealant on the inside three bolt hole bosses on the cover.
4. Align the oil pump to the crankshaft sprocket splines.
5. Install the front cover.
Notice: Refer to Fastener Notice in Service Precautions.
6. Install the front cover bolts, tightening the center bolt last (1).
^ Tighten the front cover bolts to 10 Nm (89 inch lbs.).
7. Remove the J 44219.
8. Raise the vehicle.
9. Install the oil pan.
10. Lower the vehicle.
11. Install the power steering pump.
12. Install the crankshaft balancer.
13. Install the water pump.
14. Install the drive belt.
15. Install the cooling fan and shroud.
16. Fill the engine with coolant.