Removal and Replacement

Engine Front Cover Replacement

Special Tool
EN 46105 Camshaft Locking Tool
EN 46111 Crankshaft Rotational Socket
EN 46109 Guide Pin Set

Removal Procedure
1. Remove the lower intake manifold.
2. Remove the camshaft covers.
3. Drain the engine coolant.
4. Remove the water outlet housing assembly.
5. Remove the drive belt tensioner.
6. Remove the water pump.
7. Remove the power steering pump.
8. Remove the crankshaft balancer.
9. Remove the camshaft position actuator valves from the front cover.
10. Remove the camshaft position actuator solenoid valves from the front cover.
11. Remove the generator.





12. Remove the engine front cover bolts.





13. Loosely install a 10 x 1.5 mm bolt in the "jackscrew" hole (1).
14. Using the pry points (2) located at the edge of the front cover and the "jackscrew", shear the RTV sealant.





15. Remove the engine front cover.





16. Using the EN 46111, rotate the crankshaft until the left cylinder head camshafts align with the EN 46105-2 and the right cylinder head camshafts align with the EN 46105-1.





17. Install the EN 46105-1 to the right camshafts.





18. Install the EN 46105-2 to the left camshafts.

Installation Procedure





1. Install the 8 mm (0.315 in) guide from the EN 46109 into the cylinder block positions as shown.





2. Install the engine front cover to cylinder block seal.





3. Place a 3 mm (0-118 in) bead of RTV sealant, GM P/N 12378521 (Canadian P/N 88901148) or equivalent, on the engine.
4. Place the engine front cover onto the EN 46109 and slide into position.
5. Remove the EN 46109 from the cylinder block.





6. Hand start all the front cover bolts.





CAUTION:
Refer to [Fastener Notice].

7. Tighten the engine front cover bolts in the sequence shown.
Tightening torque
Tighten the engine front cover bolts in sequence to 23 Nm (17 lb ft).
8. Install the generator.
9. Install the camshaft position actuator solenoid valves from the front cover.
10. Install the camshaft position actuator valves from the front cover.
11. Install the crankshaft balancer.
12. Install the power steering pump.
13. Install the water pump.
14. Install the water outlet housing assembly.
15. Install the drive belt tensioner.
16. Install the camshaft covers.
17. Install the lower intake manifold.
18. Refill the engine coolant.