GM Service Manual Online
For 1990-2009 cars only

Ignition Coil Module Replacement 3.8 L

Removal Procedure


    Object Number: 211652  Size: SH
  1. Loosen the control module electrical connector bolt.
  2. Remove the control module electrical connector from the module.
  3. Remove the spark plug wires from the ignition control module.

  4. Object Number: 43664  Size: SH
  5. Remove the ignition control module nuts.
  6. Remove the engine lift bracket to ignition control module bolt.
  7. Remove the ignition control module/coils.

  8. Object Number: 379371  Size: SH
  9. Lay the module/coils on a clean work surface.
  10. Remove the ignition coil bolts (2) from all the coils (1).
  11. Remove the ignition coils (1) from the module (4).
  12. Remove the ignition coil seals (3).
  13. Remove the module (4) from the module bracket (5).

Installation Procedure


    Object Number: 379371  Size: SH
  1. Install the module (4) to the module bracket (5).
  2. Install the ignition coil seals (3).
  3. Install the ignition coils (1) to the module (4).
  4. Install the ignition coil bolts (2).
  5. Tighten
    Tighten the ignition coil bolts (2) to 4 N·m (35 lb in).


    Object Number: 43664  Size: SH
  6. Install the ignition control module/coils.
  7. Loosely install the engine lift bracket to ignition control module bolt.
  8. Install the ignition control module nuts.
  9. Tighten

        • Tighten the ignition control module nuts to 30 N·m (22 lb ft).
        • Tighten the engine lift bracket to ignition control module bolt to 25 N·m (18 lb ft).

    Object Number: 211652  Size: SH
  10. Install the spark plug wires to the ignition control module.
  11. Install the control module electrical connector to the module.
  12. Tighten the control module electrical connector bolt.
  13. Tighten
    Tighten the ignition control module bolt to 3 N·m (27 lb in).