Sierra 2500 Denali 2WD V8-6.0L (2011)
Valve Cover: Service and Repair
Valve Rocker Arm Cover Replacement - Left Side
Valve Rocker Arm Cover Replacement - Left Side
Removal Procedure
1. Remove the intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement (See: Intake Manifold/Service and Repair).
2. Remove the connector position assurance (CPA) retainer (2).
3. Disconnect the engine harness electrical connector (1) from the ignition coil wire harness.
4. Remove the engine harness clip (4) from the ignition coil bracket stud.
5. Reposition the engine harness, as necessary.
6. Remove the spark plug wires (724) from the ignition coils.
*
Twist each plug wire 1/2 turn.
