LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1992 >> Forward Control 5.7 K, Standard >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 4.3L V6 - VINS [W,Z] (Including SYCLONE) >> Overhaul >> Cylinder Head >> Valve Stem Oil Seals

Valve Stem Oil Seals

  1. On intake valve uses upper "O" ring seal and lower umbrella seal; exhaust valve uses upper "O" ring seal.
  2. When installing umbrella seal, seat seal against valve guide boss on cylinder head. Coat upper "O" ring seal with engine oil before installation and ensure seal is not twisted when installed.
scientia non olet · About LEMON Manuals