Sierra Classic 3500 4WD V8-8.1L (2007)
Push Rod: Service and Repair
Valve Rocker Arm and Push Rod Replacement
Removal Procedure
Important: Mark, organize, and sort the cylinder head components. Return the components to their original location during reassembly.
1. Remove the valve rocker arm cover.
2. Remove the valve rocker arm nuts, the valve rocker arm balls, and valve rocker arms.
3. Important: The exhaust valve pushrods (2) are longer than the intake valve pushrods (1).
Remove the valve pushrods.
4. Remove the valve rocker arm studs and pushrod guides.
5. Clean and inspect the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rods Cleaning and Inspection.
Installation Procedure
Important: Be sure to keep parts in order. Parts must be put back from where they were removed.
