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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 5.0L V8 - VIN [H] >> Overhaul >> Valve Guides

Valve Guides

Valve guides are part of cylinder head (not replaceable). Measure valve guide oil clearance. See CYLINDER HEAD  table under ENGINE SPECIFICATIONS. If not within specification, ream valve guide and install valves with oversize stems.