gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Valve Guide|Specifications|Page 1627 > < Valve Cover|Service and Repair|Page 1623
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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 1627 > < Valve Cover|Service and Repair|Page 1623