Silverado 2500 4WD V8-6.6L DSL Turbo (2010)
Rocker Arm Assembly: Service and Repair
Valve Rocker Arm, Shaft, and Push Rod Replacement
Removal Procedure
1. Remove the lower valve rocker arm covers. Refer to Valve Rocker Arm Lower Cover Replacement - Left Side (See: Valve Cover/Service and
Repair/Valve Rocker Arm Lower Cover Replacement - Left Side) or Valve Rocker Arm Lower Cover Replacement - Right Side (See: Valve
Cover/Service and Repair/Valve Rocker Arm Lower Cover Replacement - Right Side).
2. Loosen the valve clearance lock nuts on each rocker arm.
3. Loosen the valve clearance adjusting screw on each rocker arm in order to relieve tension on the valvetrain.
4. Remove the rocker arm shaft assembly bolts in the sequence shown. Leave the bolts in the rocker arm shaft brackets.