Sierra 1500 2WD V8-5.3L Hybrid (2004)
1. Lubricate the valve rocker arms and pushrods with clean engine oil.
2. Lubricate the flange of the valve rocker arm bolts with clean engine oil.Lubricate the flange or washer surface of the bolt that will contact the valve
rocker arm.
3. Install the valve rocker arm pivot support.
4. Important:
Make sure that the pushrods seat properly to the valve lifter sockets.
Install the pushrods.
5. Important:
Make sure that the pushrods seat properly to the ends of the rocker arms. DO NOT tighten the rocker arm bolts at this time.
Install the rocker arms and bolts.
