GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1839726  Size: SH
  1. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.
  2. Disconnect the engine wiring harness electrical connector(s) (2) from the ignition coils.

  3. Object Number: 868186  Size: SH
  4. Remove the ignition coil bolts.
  5. Remove the ignition coils.

Installation Procedure


    Object Number: 860797  Size: SH
  1. Install the ignition coils.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the ignition coil bolts and tighten to 10 N·m (89 lb in).

  4. Object Number: 1839726  Size: SH
  5. Connect the engine wiring harness electrical connectors (2) to the ignition coils.
  6. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.