GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Open the hood.
  2. Remove the ignition coil. Refer to Ignition Coil Removal.

  3. Object Number: 1945815  Size: SH
  4. Unclip the ECM wiring harness guide (1) from the cylinder head cover.
  5. Disconnect the wiring guide (2).
  6. Remove the positive crankcase ventilation tube. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement.

  7. Object Number: 2026821  Size: SH
  8. Remove the camshaft cover (1).
  9. Remove the 11 bolts (2, 3).

Installation Procedure


    Object Number: 2026821  Size: SH
  1. Install the camshaft cover (1).
  2. Insert a NEW gasket in the cylinder head cover.

    Caution: Refer to Fastener Caution in the Preface section.

  3. Install the 11 bolts (2, 3) and tighten to  8 N·m (71 lb in).
  4. Install the positive crankcase ventilation tube. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement.

  5. Object Number: 1945815  Size: SH
  6. Clip in the ECM wiring harness guide (1) from the cylinder head cover.
  7. Connect the wiring guide (2).
  8. Install the ignition coil. Refer to Ignition Coil Removal.
  9. Close the hood.