Avalanche 2500 4WD V8-8.1L VIN G (2003)
Valve Cover: Service and Repair
Valve Rocker Arm Cover Replacement (Right)
Valve Rocker Arm Cover Replacement - Right
Removal Procedure
1. Remove the engine sight shield.
2. Loosen the clamps at the throttle body and air cleaner.
3. Remove the air cleaner outlet duct.
4. Remove the Connector Position Assurance (CPA) retainer from the ignition coil electrical connector (2).
5. Disconnect the ignition coil harness electrical connector (2).
6. Disconnect the engine coolant temperature (ECT) sensor electrical connector (3).
Important: Twist the spark plug boot one-half turn in order to release the boot. Pull on the spark plug boot only. Do not pull on the spark plug wire or
the wire could be damaged.
