59. Valve Lifter Installation

Valve Lifter Installation

Notice: If the valve lifters and anti-rotation brackets are not installed properly, the valve lifters, the anti-rotation brackets, and the engine could be damaged.

Important: When installing new valve lifters, coat the lifters with engine assembly prelube (GM P/N 1052367) or equivalent.





1. Install the valve lifters in the litter bores.
^ Align the flat sides (top) of the lifters with the flat sides of the litter guides.
^ When properly aligned, the flat side of each litter is aligned parallel to the litter guide.
^ The roller at the bottom of each litter is aligned parallel to the camshaft lobe.





2. Install the lifter guides on the valve lifters.





Notice: Refer to Fastener Notice in Service Precautions.

3. Install the screws that retain the lifter guides.
^ Tighten the lifter guide bolts to 11 Nm (97 inch lbs.).