GM Service Manual Online
For 1990-2009 cars only

    Object Number: 510241  Size: SH

    Important: Use an appropriate holding tool in order to keep the camshaft timing gear from turning.

  1. Remove the camshaft timing gear bolt.
  2. Remove the camshaft timing gear.

  3. Object Number: 177954  Size: SH
  4. In the correct sequence, remove the six bolts and the three camshaft housings from the cylinder head.
  5. Remove the camshaft from the cylinder head.