LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1997 >> C3500 HD 7.4 J, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Engine Mechanical - 5.0L V8 - VIN [M]) >> Overhaul >> Cylinder Head >> Valve Stem Oil Seals

Valve Stem Oil Seals

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1997 GMC Savana, 1997 GMC Pickup, 1997 Chevrolet Pickup, 1997 Chevrolet Chevy Van, and 1997 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Intake and exhaust valves use upper "O" ring seal and lower umbrella seal.
  2. When installing umbrella seal, seat seal against valve guide boss on cylinder head. If equipped, coat upper "O" ring seal with engine oil before installation and ensure seal is not twisted when installed. A gap of .040-.080" (1-2 mm) must exist between edge of oil seal and valve guide. See Figure.
scientia non olet · About LEMON Manuals