GM Service Manual Online
For 1990-2009 cars only

    Object Number: 345851  Size: SH
  1. Remove coil cassette bolts.
  2. Remove coil cassette.
  3. Remove the camshaft cover bolts.
  4. Remove the camshaft cover.
  5. Important: Ensure that all eight sealing O-rings 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.

  6. Remove the camshaft cover seals.