GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39579 Camshaft Gear Holder


    Object Number: 33628  Size: SH
  1. Remove the camshaft sprocket retaining bolts and washers. Use the J 39579 to hold the sprockets when removing the bolts.
  2. Remove the camshaft sprockets. The sprockets are interchangeable. No marking is required.
  3. Remove the 4 oil pan bolts.

  4. Object Number: 60803  Size: SH
  5. Remove the timing chain housing to camshaft housing bolts.
  6. Remove the timing chain housing to block bolts.
  7. Remove the timing chain housing.
  8. Remove the timing chain housing gaskets.