GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1238999  Size: SH
  1. Note the position of the spark plug wires for the installation and disconnect the spark plug wires from the ignition coil and module assembly.
  2. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement.
  3. Remove the 4 screws securing the ignition coil and module assembly to the bracket.
  4. Remove the ignition coil and module assembly.

Installation Procedure


    Object Number: 1238999  Size: SH
  1. Install the ignition coil and module assembly to the bracket.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the ignition coil and module assembly screws.
  4. Tighten
    Tighten the screws to 4.5 N·m (40 lb in).

  5. Connect the spark plug wires as noted during the removal.
  6. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement.
  7. Refer to Control Module References for programming and setup information.