GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1608869  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 (6).

  4. Object Number: 1608802  Size: SH
  5. Disconnect the left side spark plug wires from the ignition coil.

  6. Object Number: 1608803  Size: SH
  7. Disconnect the right side spark plug wires from the ignition coil.

  8. Object Number: 1646089  Size: SH
  9. Remove the ignition coil bolts/nuts.
  10. Remove the ignition coil.
  11. Remove the ignition coil studs, if necessary.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1646089  Size: SH
  1. Install the ignition coil studs, if necessary.
  2. Tighten
    Tighten the studs to 25 N·m (15 lb ft).

  3. Install the ignition coil bolts/nuts.
  4. Tighten
    Tighten the bolts/nuts to 25 N·m (15 lb ft).


    Object Number: 1608803  Size: SH
  5. Connect the right side spark plug wires to the ignition coil.

  6. Object Number: 1608802  Size: SH
  7. Connect the left side spark plug wires to the ignition coil.

  8. Object Number: 1608869  Size: SH
  9. Connect the ignition coil electrical connector (6).
  10. Connect the MAP sensor electrical connector (1).
  11. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .