Ignition Coil Replacement for Chevrolet Express 2002

1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.
2. Disconnect the spark plug wires at the ignition coils. Refer to Spark Plug Wire Replacement .
3. Disconnect the ignition coil harness connectors.



4. Remove the ignition coil mounting bolts.
5. Remove the ignition coils.

1. Install the ignition coils.




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 mounting bolts.

Tighten
Tighten the bolts to 12 N·m (106 lb in).

3. Connect the ignition coil harness connectors.
4. Connect the spark plug wires at the ignition coils. Refer to Spark Plug Wire Replacement .
5. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.