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

Removal Procedure

    Object Number: 1235151 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
  3. Disconnect the ignition coil wiring harness electrical connector from the coil that needs to be replaced.
  4. Remove the ignition coil retaining bolt.
  5. Carefully remove the ignition coil.

Installation Procedure

    Object Number: 1283865 Size: SH

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

  1. Install the ignition coil.

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

  2. Install the ignition coil retaining bolt and tighten to 10 N·m (89 lb in).
  3. Reconnect the ignition coil electrical connector.

    4. Object Number: 1235151 Size: SH
  4. Install the ignition coil cover to the cam cover.
  5. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement.