C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
Valve Cover: Service and Repair
REMOVAL PROCEDURE
IMPORTANT: Valve rocker arm cover gaskets are reusable. Replace the valve rocker arm cover gasket only if damaged.
1. Open the hood.
2. Disconnect the battery negative cable from the battery.
CAUTION: Refer to Battery Disconnect Caution in Caution and Notices.
3. Remove the intake air resonator.
4. Remove the air cleaner intake duct from the throttle body.
5. Remove the spark plug wires from the spark plug.
6. Remove the PVC valve from then valve rocker arm cover if necessary.
7. Remove the engine vent tube from the throttle body if necessary.
8. Remove the throttle body from the intake manifold if necessary.