gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Valve Guide|Specifications|Page 1993 > < Rocker Arm Assembly|Service and Repair
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Valve Guide: Specifications

The valve guides are an integral part of the cylinder head and are not replaceable. Check valve stem to guide clearance and compare to specifications. If
clearance is excessive, ream valve guides using valve guide set J-7049 and install oversize valves.

Valve Guide|Specifications|Page 1993 > < Rocker Arm Assembly|Service and Repair