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Home >> GMC >> 1992 >> Forward Control 5.7 K, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 6.2L V8 Diesel - VIN [C] >> Overhaul >> Cylinder Head >> Valve Stem Oil Seals

Valve Stem Oil Seals

Intake valve uses upper "O" ring seal. Exhaust valve uses upper "O" ring seal and lower umbrella seal, seated against cylinder head.