GM Service Manual Online
For 1990-2009 cars only
  1. Apply clean engine oil to the following components:
  2. • The camshaft lobes
    • The camshaft journals
    • The camshaft oil seal
  3. Install the camshaft to the cylinder head.

  4. Object Number: 177967  Size: SH
  5. Install the three camshaft housings to the cylinder head in the order that is shown.

  6. Object Number: 177954  Size: SH

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  7. After applying a light amount of engine oil to the housing bolts, tighten in the sequence that is shown.
  8. Tighten
    Tighten the camshaft housing bolts to 11 N·m (97 lb in).