GM Cutlass RWD 1970-1987 Repair Guide

VALVE LASH

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Hydraulic valve lifters rarely require adjustment, and are not adjusted as part of a normal tune-up. The valves on most engines cannot be adjusted. If there is excessive clearance in the valve train, look for worn push rods, rocker arms, valve springs or collapsed or stuck lifters. Chevrolet engines require initial lash adjustment whenever rocker arms are removed. see Engine & Engine Rebuilding

 
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