GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Park Avenue 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Ignition Coil Replacement

Removal Procedure
  1. Disconnect the 14-way connector from the ignition control module.
  2. Disconnect the spark plug wires from the coil assemblies.

    3. Object Number: 12299 Size: SH
  3. Remove 6 screws (1) securing the coil assemblies to the ignition control module.
  4. Remove the coils (2) from the ignition control module (3).
  5. Remove the ignition control module.

Installation Procedure
  1. Attach the coils to the ignition control module.

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.


    Object Number: 12299 Size: SH
  2. Install 6 ignition coil attaching screws.

    3. Tighten:
    Tighten the screws to 4-5 N·m (40 lb in).

  3. Install the nuts and washers securing the ignition control module assembly to the mounting bracket.

    4. Tighten:
    Tighten the nuts to 8 N·m (70 lb in).

  4. Connect the spark plug wires.
  5. Connect the 14-way connector to module.