Camshaft Cover Replacement - Right Side
Camshaft Cover Replacement - Right Side
Special Tools
EN 46101 - Spark Plug Tube Seal Guide
Removal Procedure
Warning: Refer to Battery Disconnect Warning Service Precautions.
1. Disconnect the battery ground cable from the battery. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.
2. Remove the intake manifold cover (2). Refer to Intake Manifold Cover Replacement - Front Intake Manifold Cover Replacement - Front.
3. Remove the rear intake manifold cover retainers (1).
4. Remove the rear intake manifold cover (2).
5. Remove the positive crankcase ventilation tubes. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement Service and Repair.
6. Remove the intake manifold (2). Refer to Intake Manifold Removal (LF1, LFW or LFX) 4. Intake Manifold Removal (LF1, LFW or LFX).
Note:
* Unlock the ignition coil electrical connectors before disconnecting from the ignition coils.
* Do not damage the ignition coil electrical connectors.
7. Disconnect the ignition coil electrical connectors (4) from the ignition coils.
Note: Use a suitable tool to detach the wiring harness retainers from the camshaft cover.
8. Disconnect the wiring harness (2) from the camshaft cover.
9. Reposition and secure the wiring harness (2) away from the camshaft cover in order to provide clearance for removal of the camshaft cover.
Note:
* Do not disconnect the engine front cover electrical connectors.
* Use a suitable tool to detach the wiring harness (1) from the camshaft cover (2) and lift the wiring harness (1) upwards to detach the wiring harness from the camshaft cover (2).
10. Remove the wiring harness (1) from the front of the camshaft cover (2).
11. Reposition and secure the wiring harness (1) away from the camshaft cover (2) in order to provide clearance for removal of the camshaft cover (2).
12. Remove the ignition coil to camshaft cover retaining bolts (1).
13. Remove the ignition coils (2) from the camshaft cover (3).
14. Remove the camshaft cover to cylinder head retaining bolts (1).
15. Remove the camshaft cover (2) from the cylinder head (3).
16. Remove and discard the camshaft cover seal and grommets.
17. Install the spark plug tube plugs EN 46101 - spark plug tube seal guide (1) to the spark plug tubes to prevent dirt and other contaminants from entering the cylinders.
Installation Procedure
1. Install a NEW camshaft cover seal and NEW bolt grommets.
2. Wipe the camshaft cover sealing surface on the right cylinder head with a clean, lint-free cloth.
Note: Ensure the sealing surfaces of the cylinder head and camshaft cover are clean.
3. Place a 3 mm bead of GM approved sealant (1) on the join line between the engine front cover and the cylinder head.
4. Place the right camshaft cover (2) into position onto the right cylinder head (3).
5. Loosely install the right camshaft cover bolts (1).
Caution: Refer to Fastener Caution Fastener Caution.
6. Tighten the right camshaft cover to cylinder head retaining bolts in the sequence to 10 Nm (89 lb in).
7. Remove the spark plug tube plugs EN 46101 - spark plug tube seal guide (1) from the spark plug tubes of the right cylinder head.
8. Install the ignition coils (2) to the camshaft cover (3).
9. Install the ignition coil to camshaft cover retaining bolts (1) and tighten to 10 Nm (89 lb in).
Note:
* Ensure the wiring harness (1) is located on the locating lugs of the camshaft cover (2).
* Listen for an audible click to confirm the correct installation of the wiring harness (1) to the camshaft cover (2).
10. Install the wiring harness (1) to the front of the camshaft cover (2).
11. Install the engine wiring harness (2) to the camshaft cover.
Note:
* After connecting the ignition coil connectors ensure that the ignition coil electrical connectors are locked to the ignition coils.
* Do not damage the ignition coil electrical connectors.
12. Connect the ignition coil electrical connectors (4) to the ignition coils.
13. Install the intake manifold (2). Refer to Intake Manifold Replacement Intake Manifold Replacement.
14. Install the positive crankcase ventilation tubes. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement Service and Repair.
15. Install the rear intake manifold cover (2).
16. Install the rear intake manifold cover retainers (1).
17. Install the intake manifold cover (2). Refer to Intake Manifold Cover Replacement - Front Intake Manifold Cover Replacement - Front.
18. Connect the battery ground cable to the battery. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.