GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Park Avenue 🢒 Engine 🢒 Engine Controls - 3.8L (L36 and L67) 🢒 Ignition Coil Replacement

Removal Procedure
  1. Disconnect the spark plug wires from the coil assemblies.

    2. Object Number: 12299 Size: SH
  2. Remove the screws (1) securing the coil(s) to the ignition control module.
  3. Remove the coil(s) (2) from the ignition control module (3).

Installation Procedure
  1. Attach the coil(s) (2) 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 the ignition coil attaching screws (1).

    3. Tighten
    Tighten the screws to 4.5 N·m (40 lb in).

  3. Connect the spark plug wires.