GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1858010  Size: SH
  1. Remove the intake manifold. Refer to Intake Manifold Replacement
  2. Disconnect the engine wiring harness electrical connector(s) (5) from the ignition coil(s) (4).

  3. Object Number: 868186  Size: SH
  4. Remove the ignition coil bolt(s).
  5. Remove the ignition coil(s).

Installation Procedure


    Object Number: 860797  Size: SH
  1. Install the ignition coil(s).
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the ignition coil bolt(s).
  4. Tighten
    Tighten the bolt(s) to 10 N·m (89 lb in).


    Object Number: 1858010  Size: SH
  5. Connect the engine wiring harness electrical connector(s) (5) to the ignition coil(s) (4).
  6. Install the intake manifold. Refer to Intake Manifold Replacement