GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2009 🢒 G6 🢒 Engine 🢒 Engine Controls and Fuel - 3.9L 🢒 Ignition Coil Replacement

Removal Procedure

    Object Number: 1582011 Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement.
  2. Disconnect the manifold absolute pressure (MAP) sensor electrical connector (1).
  3. Disconnect the ignition coil electrical connector (2).

    4. Object Number: 1582091 Size: SH
  4. Disconnect the left side spark plug wires from the ignition coil.

    5. Object Number: 1582938 Size: SH
  5. Disconnect the right side spark plug wires from the ignition coil.

    6. Object Number: 1587660 Size: SH
  6. Remove the ignition coil bolts (1).
  7. Remove the ignition coil nuts (2).
  8. Remove the ignition coil (3).
  9. Remove the ignition coil studs (4), if necessary.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1587660 Size: SH
  1. Install the ignition coil studs (4), if necessary.

    2. Tighten
    Tighten the studs to 25 N·m (15 lb ft).

  2. Install the ignition coil (3).
  3. Install the ignition coil nuts (2).

    4. Tighten
    Tighten the nuts to 25 N·m (15 lb ft).

  4. Install the ignition coil bolts (1).

    5. Tighten
    Tighten the bolts to 25 N·m (15 lb ft).


    Object Number: 1582938 Size: SH
  5. Connect the right side spark plug wires to the ignition coil.

    6. Object Number: 1582091 Size: SH
  6. Connect the left side spark plug wires to the ignition coil.

    7. Object Number: 1582011 Size: SH
  7. Connect the ignition coil electrical connector (2).
  8. Connect the MAP sensor electrical connector (1).
  9. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement.