GM Service Manual Online
For 1990-2009 cars only

Tool Required

J 22888-20A Crankshaft Gear Puller

  1. Remove the engine front cover bolts.
  2. Remove the engine front cover. If the front cover is difficult to remove, use a rubber mallet to loosen the cover.
  3. Clean the crankcase front cover sealing surfaces.

  4. Object Number: 1151  Size: SH
  5. Remove the timing chain tensioner bolts.

  6. Object Number: 1152  Size: SH
  7. Remove the timing chain, the timing chain tensioner, and the camshaft sprocket at the same time.
  8. If removing camshaft, remove the Camshaft Position Sensor.

  9. Object Number: 4896  Size: SH
  10. Remove the crankshaft sprocket. Use the J 22888-20A .