Sierra 1500 2WD V6-4.3L (2008)
Rocker Arm Assembly: Service and Repair
Valve Rocker Arm and Push Rod Replacement
Removal Procedure
Important: Mark, sort, and organize all the components for assembly.
1. Remove the rocker arm cover. Refer to Valve Rocker Arm Cover Replacement - Left Side (See: Valve Cover/Service and Repair/Valve Rocker
Arm Cover Replacement - Left Side) or Valve Rocker Arm Cover Replacement - Right Side (See: Valve Cover/Service and Repair/Valve Rocker
Arm Cover Replacement - Right Side) .
2. Remove the rocker arms.
3. Remove the rocker arm supports.
4. Remove the pushrods.
5. Clean and inspect the rocker arms and/or pushrods, if necessary. Refer to Valve Rocker Arm and Push Rod Cleaning and Inspection (See: Service
and Repair/Overhaul) .
Installation Procedure
Important: Be sure to keep parts in order. Parts must be reinstalled into the original location and position.