C 1500 Yukon XL 2WD V8-8.1L VIN G (2001)
5. Clean and inspect the valve rocker arms and pushrods.
Installation Procedure
Important: Be sure to keep parts in order. Parts must be put back from where they were removed.
1. Apply sealer GM P/N 12346004 or equivalent to the valve rocker arm stud-to-cylinder head threads.
Notice: Refer to Fastener Notice in Service Precautions.
2. Install the pushrod guides and valve rocker arm studs.
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Tighten the valve rocker arm studs to 50 Nm (37 ft. lbs.).
Important: The exhaust valve pushrods (2) are longer than the intake valve pushrods (1).
3. Install the valve pushrods.