GM Service Manual Online
For 1990-2009 cars only

Camshaft Carrier Cover Replacement Left Side

Removal Procedure

  1. Remove the oil/air breather hose from the cover.
  2. Remove the spark plug wires from the plugs.
  3. Remove the rear spark plug wires from the cover.

  4. Object Number: 57329  Size: SH
  5. Remove the camshaft carrier cover bolts.
  6. Remove the camshaft carrier cover.
  7. Remove the gasket from the cover.
  8. Remove the O-rings from the cover.

Installation Procedure


    Object Number: 57329  Size: SH
  1. Install the O-rings to the camshaft carrier cover.
  2. Install the gasket to the camshaft carrier cover.
  3. Install the camshaft carrier cover.
  4. Install the retaining bolts. Fully seat the bolt isolators into the cover.
  5. Tighten
    Tighten the bolts to 11 N·m (97 lb in).

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. Connect the rear spark plug wires to the cover.

  7. Object Number: 57305  Size: SH
  8. Connect the spark plug wires to the spark plugs.
  9. Connect the oil/air breather hose to the camshaft carrier cover.

Camshaft Carrier Cover Replacement Right Side

Removal Procedure

  1. Remove the upper intake manifold. Refer to Upper Intake Manifold Replacement .
  2. Remove the right timing belt cover.

  3. Object Number: 57305  Size: SH
  4. Remove the right spark plug wires.
  5. Disconnect the oil/air separator hose at the camshaft carrier cover.

  6. Object Number: 57381  Size: SH
  7. Remove the camshaft carrier cover retaining bolts.
  8. Remove the camshaft carrier cover and gasket.
  9. Remove the gasket from the cover.
  10. Remove the O-rings from the cover.

Installation Procedure


    Object Number: 57381  Size: SH
  1. Install the O-rings to the cover.
  2. Install the gasket to the cover.
  3. Install the camshaft carrier cover.
  4. Install the retaining bolts. Fully seat the bolt isolators into the cover before tightening.
  5. Tighten
    Tighten the bolts to 11 N·m (97 lb in).

    Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. Connect the oil/air separator hose at the camshaft carrier.

  7. Object Number: 57305  Size: SH
  8. Install the right spark plug wires.

  9. Object Number: 57222  Size: SH
  10. Install the right timing belt cover.
  11. Install the upper intake manifold. Refer to Upper Intake Manifold Replacement .