TrailBlazer 2WD V8-5.3L (2007)
Rocker Arm Assembly: Service and Repair
Valve Rocker Arm and Push Rod Replacement
Removal Procedure
1. Remove the valve rocker arm cover. Refer to Valve Rocker Arm Cover Replacement - Left Side or to Valve Rocker Arm Cover Replacement -
Right Side.
Important: Place the valve rocker arms, pushrods, and pivot support, in a rack so that the can be installed in the same location from
which they were removed.
2. Remove the valve rocker arm bolts.
3. Remove the valve rocker arms.
4. Remove the valve rocker arm pivot support.
5. Remove the pushrods.
6. Clean and inspect the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rods Cleaning and Inspection.
Installation Procedure