Yukon 2WD V8-5.3L (2007)
Rocker Arm Assembly: Service and Repair
Valve Rocker Arm and Push Rod Replacement
Removal Procedure
1. Remove the rocker arm cover.
Important: The engine firing order is 1, 8, 7, 2, 6, 5, 4, 3. Cylinders 1, 3, 5 and 7 are the left bank.
2. Remove the number one cylinder spark plug.
Important: Place the rocker arms, pushrods, and pivot support, in a rack so that they can be installed in the same location from which
they were removed.
3. Remove the rocker arm bolts.
4. Remove the rocker arms.
5. Remove the rocker arm pivot support.
6. Remove the pushrods.
7. Clean and inspect the rocker arms and pushrods, if required.
Installation Procedure