GM Service Manual Online
For 1990-2009 cars only

    Object Number: 345866  Size: SH
  1. Remove the oil filler tube (1) from the LH side camshaft cover.
  2. Remove the camshaft cover bolts (2).
  3. Remove the camshaft cover (4).
  4. Important: Ensure that all eight sealing O-rings (3) are accounted for.

    O-rings may stick to the camshaft bearing caps or they may fall into the oil return journals of the cylinder head.

  5. Remove the camshaft cover seals.