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Home >> GMC >> 1981 >> Forward Control 4.8L Eng VIN T, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 4.1 L & 4.8L 6-Cylinder Engines >> Valves >> Valve Stem Oil Seals

Valve Stem Oil Seals

A small "O" ring type seal is installed in second groove in valve stem before valve keepers are installed. See VALVE SPRINGS .