GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 TrailBlazer - 4WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Ignition Coil Replacement

Removal Procedure

    Object Number: 344169 Size: SH
  1. Remove the spark plug wire from the ignition coil.

    2. Object Number: 339299 Size: SH
  2. Disconnect the ignition coil electrical connector.

    3. Object Number: 344167 Size: SH
  3. Remove the ignition coil bolts.

    4. Object Number: 339300 Size: SH
  4. Remove the ignition coil.

Installation Procedure

    Object Number: 339300 Size: SH
  1. Install the ignition coil.

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


    Object Number: 344167 Size: SH
  2. Install the ignition coil bolts and tighten to 8 N·m (71 lb in).

    3. Object Number: 339299 Size: SH
  3. Connect the ignition coil electrical connector.

    4. Object Number: 344169 Size: SH
  4. Connect the spark plug wire to the ignition coil.