Avalanche 2500 4WD V8-8.1L VIN G (2003)
Valve Cover: Service and Repair
Valve Rocker Arm Cover Replacement (Left)
Valve Rocker Arm Cover Replacement - Left
Removal Procedure
1. Remove the engine sight shield.
2. Remove the Connector Position Assurance (CPA) retainer from the ignition coil electrical connector (3).
3. Disconnect the ignition coil harness 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.
4. Remove the spark plug wires from the ignition coils.