GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2002 🢒 LeSabre 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Ignition Coil Replacement

Removal Procedure
  1. Turn OFF the ignition switch.

    2. Object Number: 12299 Size: SH
  2. Note order and disconnect the spark plug wires from the coil assemblies.
  3. Remove the screws (1) securing the coil assemblies to the ignition control module (ICM).
  4. Remove the coils (2) from the ICM (3).

Installation Procedure

    Object Number: 12299 Size: SH
  1. Position the coils to the ICM, taking care not to bend the electrical terminals.

    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.

  2. Install the ignition coil attaching screws.

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

  3. Connect the spark plug wires to the coils assemblies in the original positions.