Ignition Coil and Ignition Coil Module. Buick Roadmaster 1996

For 1990-2009 cars

### Removal Procedure

1. Turn OFF the ignition.
2. Disconnect the four terminal connector at the ignition control module (ICM).
3. Disconnect the secondary ignition coil wire.
4. Disconnect the ignition coil connectors.
5. Remove the ignition coil studs.

Important: Do not wipe away the silicone grease from the back of the bracket.

6. Remove the ignition coil and the bracket.
7. Remove the ignition coil from the bracket. Drill out the rivets.
8. Remove the ignition control module bolts.
9. Remove the ignition control module.

### Installation Procedure

Notice: A package of silicone grease is included with a new ICM. This grease is necessary for ignition coil and ICM cooling.

1. Apply silicone grease to the mounting face of the ignition control module.
2. Install the ignition control module and bolts.

Tighten
Tighten the ignition control module bolts to 1.7 N·m (15 lb in).

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.

3. Use the bolts and nuts that are provided with the coil in order to install the ignition coil to the bracket.

Tighten
Tighten the ignition coil bolts to 2.8 N·m (25 lb in).

4. Install the ignition coil bracket with the ignition coil studs.

Tighten
Tighten the ignition coil studs to 25 N·m (18 lb ft).

5. Install the ignition coil connectors.
6. Install the secondary ignition coil wire.
7. Connect the four-terminal connector at the ignition control module.