GM Service Manual Online
For 1990-2009 cars only

    Object Number: 156158  Size: SH

    Caution: Bodily injury may occur if the cleaning solvent is inhaled or exposed to the skin.

  1. Clean all components with cleaning solvent.
  2. Dry the components with compressed air.
  3. Inspect the timing chain for binding or wear.

  4. Object Number: 188097  Size: SH
  5. Inspect the camshaft and crankshaft sprockets for:
  6. • Worn teeth (1)
    • Broken teeth (2)
    • Chipped teeth (3)
  7. Inspect the timing chain dampener for excessive wear or cracks.