GM Service Manual Online
For 1990-2009 cars only

    Object Number: 2026542  Size: SH

    Note: Note the removal sequence 1-4.

  1. Remove the 4 camshaft bearing support bolts.
  2. Release the bearing support by striking it gently with a plastic hammer.
  3. Remove the 1st camshaft bearing support (5).

  4. Object Number: 1947352  Size: SH

    Note: Mark the exhaust camshaft bearing caps before removal.

  5. Remove the camshaft bearing caps 2-5, working from outside to inside in a spiral, in steps of 1/2 up to 1 turn.
  6. Remove the camshaft bearing cover from the cylinder head.
  7. Remove the exhaust camshaft.
  8. Note: Mark the intake camshaft bearing caps before removal.

  9. Remove the camshaft bearing caps 2-5, working from outside to inside in a spiral, in steps of 1/2 up to 1 turn.
  10. Remove the camshaft bearing cover from the cylinder head.
  11. Remove the intake camshaft.
  12. Remove the seal rings from the camshafts.