GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1236190  Size: SH
  1. Remove the oil level indicator.
  2. Remove the oil fill cap.
  3. Remove the positive crankcase ventilation (PCV) valve and bolt. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .

  4. Object Number: 897113  Size: SH
  5. Disconnect the ignition wiring harness from the ignition coils and retaining bracket.
  6. Remove the wiring harness bracket bolt from the cylinder head.
  7. Remove the bolts (708), and ignition coils (707).

  8. Object Number: 897114  Size: SH
  9. Remove the bolts (543), grommets (544), valve cover (542) and gasket (541).
  10. Remove the seals (540), if required.

Installation Procedure


    Object Number: 897114  Size: SH
  1. Install NEW seals (540), NEW gasket (541), cover (542), NEW grommets (544) and bolts (543).
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 897117  Size: SH
  3. Tighten the bolts in sequence.
  4. Tighten

    1. Tighten the bolts a first pass to 6 N·m (53 lb in).
    2. Tighten the bolts a final pass to 12 N·m (106 lb in).

    Object Number: 897113  Size: SH
  5. Install the ignition coils (707) and bolts (708).
  6. Tighten
    Tighten the bolts to 12 N·m (106 lb in).

  7. Install the wiring harness bracket bolt to the cylinder head.
  8. Tighten
    Tighten the bolt to 10 N·m (89 lb in).

  9. Connect the ignition wiring harness to the retaining bracket and ignition coils.

  10. Object Number: 897112  Size: SH
  11. Install the oil level indicator (429) and NEW O-rings (441).
  12. Install the NEW O-rings (549 and 550), positive crankcase ventilation (PCV) valve (551) and bolt (552).
  13. Tighten
    Tighten the bolt to 12 N·m (106 lb in).

  14. Install the NEW O-ring (546) and cap (545).