Valve Cover: Service and Repair
REMOVAL PROCEDURE1. Disconnect the negative battery cable
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
2. Remove the rear ignition wire harness at the upper intake manifold and at the spark plugs.
3. Remove the brake booster vacuum supply at the upper intake manifold.
4. Remove the drive belt. Refer to Drive Belt Replacement.
5. Remove the generator. Support the generator. Refer to Generator Replacement (L82) in Starting and Charging.
6. Remove the following components:
- Electronic ignition coil and module assembly
- EVAP canister purge solenoid
7. Remove the valve rocker arm cover bolts.
8. Remove the valve rocker arm cover.
Bump the end of the valve rocker arm cover with the palm of your hand or a soft rubber mallet if the cover adheres to the cylinder head.
9. Clean the sealing surface on the cylinder head and the valve rocker arm cover with degreaser.
INSTALLATION PROCEDURE
1. Install a new gasket and new bolt grommets to the valve rocker arm cover. Ensure that the gasket is seated properly in the valve groove.
2. Apply sealer in the notch on the cover. Use GM P/N 1052917 or its equivalent.
3. Install the valve rocker arm cover.
4. Install the valve rocker arm cover bolts.
^ Tighten the bolts to 10 Nm (89 inch lbs.).
NOTICE: Refer to Fastener Notice in Service Precautions.
5. Install the generator. Refer to Generator Replacement (L82) in Starting and Charging.
6. Install the drive belt. Refer to Drive Belt Replacement.
7. Install the brake booster vacuum supply line.
8. Install the following components:
- EVAP canister purge solenoid.
- Electronic ignition coil and module assembly.
9. Install the rear ignition wire harness.
10. Connect the negative battery cable.