GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1235153  Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
  2. Remove the ignition coil cover from the cam cover by lifting straight up.

  3. Object Number: 1283865  Size: SH
  4. Disconnect the ignition coil wiring harness electrical connector from the coil that needs to be replaced.
  5. Remove the ignition coil retaining bolt.
  6. Carefully remove the ignition coil assembly.

Installation Procedure


    Object Number: 1283865  Size: SH

    Important: Ensure that the spark plug seals are in place when installing the ignition coil.

  1. Install the ignition coil.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the ignition coil retaining bolt.
  4. Tighten
    Tighten the ignition coil retaining bolt to 10 N·m (89 lb in).

  5. Reconnect the ignition coil electrical connector.

  6. Object Number: 1235153  Size: SH
  7. Install the ignition coil cover to the cam cover.
  8. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.