GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Opel 🢒 2008 🢒 Antara 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Ignition Coil Replacement - Bank 1

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1803610 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the engine dress cover. Refer to Engine Front Cover Replacement .

    3. Important: If removing the upper intake manifold, plug the lower manifold openings to prevent dirt and other contaminants from entering.

  3. If required, remove the upper intake manifold assembly. Refer to Upper Intake Manifold Replacement .
  4. Using a flat-bladed screwdriver, slide the connector retaining latch (1) in the direction of the arrow.
  5. Remove the wiring harness connector from the ignition coil (2).

    6. Object Number: 1803612 Size: SH

    Important: Clean the area around the ignition coil before removal to avoid debris from entering the engine.

  6. Fully loosen the bolt (1) attaching the ignition coil  (2) to the camshaft cover.

    7. Important: The ignition coil bolts are captive. Do not attempt to remove the bolts from the ignition coil.

  7. Remove the ignition coil by first, twisting the coil to release it, and then pulling the ignition coil upwards to remove it.

    8. Object Number: 1803615 Size: SH
  8. Using your thumb, work the ignition coil boot (2) off the ignition coil insulator (3).

    9. Important: Take care the spring does not become dislodged as the boot is removed. To aid removal of the boot, use a blunt instrument to lift the boot edge away from the coil insulator and spray a release agent between the boot and the coil insulator.

  9. Remove the spring (1) from the ignition coil insulator.

Installation Procedure


    Object Number: 1803617 Size: SH
  1. Position the spring in the insulator recess.
  2. Lubricate the ignition coil insulator (1) with talcum powder.
  3. Fit the ignition coil boot, ensuring it is fully seated at the top of the insulator.

    4. Object Number: 1803681 Size: SH
  4. Lubricate the ignition coil sealing rubber (1) with clean engine oil, and the inside of the ignition coil boot (2) with talcum powder.
  5. Install the ignition coil by pushing down on the ignition coil to engage the sealing rubber in the cylinder head cover.

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

    Important: Ensure the ignition coil is fully seated before tightening the attaching bolt to the specified torque.

  6. Install the ignition coil attaching bolt.

    7. Tighten
    Tighten the ignition coil attaching bolt to 9 N·m (80 lb in).

  7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .