GM Service Manual Online
For 1990-2009 cars only
   • 
Object Number: 188097  Size: SH
  • Inspect the timing chain sprockets for teeth that are worn (1), broken (2), or chipped (3).
  •    • 
  • Inspect the timing chain for binding or stretching.
  •    • 
  • Inspect the timing chain dampener for excessive wear or cracks.
  •    • 
  • Replace the timing chain and sprockets as needed.