GM Service Manual Online
For 1990-2009 cars only

    Object Number: 192708  Size: SH
  1. Align the timing marks on the sprockets.

  2. Object Number: 154523  Size: SH
  3. Remove the timing chain dampener.

  4. Object Number: 192716  Size: SH
  5. Remove the camshaft sprocket bolt.
  6. Remove the camshaft sprocket.
  7. Remove the timing chain.
  8. Remove the crankshaft sprocket.
  9. Remove the crankshaft balancer key.

  10. Object Number: 154519  Size: SH
  11. Remove the balance shaft drive gear.