Sierra Classic 2500 4WD V8-6.0L (2007)
1. Lubricate the rocker arms and pushrods with clean engine oil.
2. Lubricate the flange of the rocker arm bolts with clean engine oil. Lubricate the flange or washer surface of the bolt that will contact the rocker
arm.
3. Install the 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.
