GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Malibu 🢒 Engine 🢒 Engine Controls and Fuel - 3.5L 🢒 Ignition Coil Replacement

Removal Procedure

    Object Number: 1774993 Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Disconnect the engine wiring harness electrical connector (1) from the manifold absolute pressure (MAP) sensor.
  3. Disconnect the engine wiring harness electrical connector (2) from the ignition coil.

    4. Object Number: 1774992 Size: SH
  4. Reposition the brake booster vacuum hose clamp at the upper intake manifold.
  5. Remove the brake booster vacuum hose from the upper intake manifold.

    6. Object Number: 1798764 Size: SH
  6. Remove the left side spark plug wires (1) from the ignition coils.
  7. Remove the right side spark plug wires (2) from the ignition coils.

    8. Object Number: 1777179 Size: SH
  8. Remove the heated oxyen sensor (HO2S) electrical connector rosebud clip (1) from the ignition coil bracket.

    9. Object Number: 1798767 Size: SH
  9. Remove the ignition coil bolts and nuts.
  10. Remove the ignition coil.

Installation Procedure

    Object Number: 1798767 Size: SH
  1. Install the ignition coil.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the ignition coil bolts and nuts.

    3. Tighten
    Tighten the bolts/nuts to 25 N·m (18 lb ft).


    Object Number: 1777179 Size: SH
  3. Install the HO2S electrical connector rosebud clip (1) to the ignition coil bracket.

    4. Object Number: 1798764 Size: SH
  4. Install the right side spark plug wires (2) to the ignition coils.
  5. Install the left side spark plug wires (1) to the ignition coils.

    6. Object Number: 1774992 Size: SH
  6. Install the brake booster vacuum hose to the upper intake manifold.
  7. Position the brake booster vacuum hose clamp at the upper intake manifold.

    8. Object Number: 1774993 Size: SH
  8. Connect the engine wiring harness electrical connector (2) to the ignition coil.
  9. Connect the engine wiring harness electrical connector (1) to the MAP sensor.
  10. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .