GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Cavalier 🢒 Engine 🢒 Engine Electrical 🢒 Ignition Control Module Replacement

Removal Procedure

    Object Number: 643424 Size: SH
  1. Remove the air cleaner outlet from the air cleaner. Refer to Air Cleaner Outlet Resonator Replacement .
  2. Remove the ICM electrical connectors (1) and spark plug wires (2). Refer to Spark Plug Wire Replacement .
  3. Remove the ignition coils bolts (3).
  4. Remove the ignition coils and ICM assembly.

Installation Procedure

    Object Number: 643424 Size: SH
  1. Install the ICM assembly.

    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 coils.

    3. Tighten
    Tighten the ignition coils bolts (3) to 4 N·m (35 lb in).

  3. Reinstall the spark plug wires (2) and ICM electrical connectors (1).
  4. Reinstall the air cleaner outlet duct to the air cleaner.