GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 928145  Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  2. Disconnect the positive crankcase ventilation (PCV) fresh air tube from the left camshaft cover.
  3. Remove the bank 2 ignition coils. Refer to Ignition Coil Replacement - Bank 2 .

  4. Object Number: 928237  Size: SH
  5. Remove the bolt connecting the ground strap to the left camshaft cover.
  6. Remove the bolt securing the oil level indicator tube to the left cylinder head and reposition the tube away from the camshaft cover.

  7. Object Number: 928241  Size: SH
  8. Remove the camshaft cover bolts.
  9. Lift the camshaft drive end of the camshaft cover up.
  10. Remove the camshaft cover.
  11. Discard the camshaft cover gasket and spark plug port seals if there is any evidence of damage or if the seal comes out of the groove in the cover during removal.
  12. Clean the gasket mating surface on the cylinder head.
  13. Clean and inspect the camshaft cover. Refer to Camshaft Cover Cleaning and Inspection .

Installation Procedure


    Object Number: 1242782  Size: SH
  1. Install a new camshaft cover gasket to the camshaft cover if necessary.
  2. Place a small amount of sealant at the split line (1, 2) of the left cylinder head and the left camshaft position actuator housing. Refer to Adhesives, Fluids, Lubricants, and Sealers .
  3. Important: Be careful to prevent the exposed section of the camshaft cover gasket from being damaged by the edge of the cylinder head casting.

  4. Work the camshaft cover into position by pivoting the cover down and aligning the bolt holes.
  5. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 928241  Size: SH
  6. Install the camshaft cover bolts.
  7. Tighten
    Tighten the bolts to 10 N·m (89 lb in).


    Object Number: 928237  Size: SH
  8. Install the bolt connecting the left camshaft cover ground strap to the left camshaft cover.
  9. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  10. Rotate the oil level indicator tube back into its original position and install the bolt securing the tube to the cylinder head.
  11. Tighten
    Tighten the bolt to 10 N·m (89 lb in).


    Object Number: 928145  Size: SH
  12. Install the bank 2 ignition coils. Refer to Ignition Coil Replacement - Bank 2 .
  13. Connect the PCV fresh air tube to the left camshaft cover.
  14. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .