GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 Bonneville 🢒 Engine 🢒 Engine Cooling 🢒 Engine Coolant Heater Replacement - Left Side

Removal Procedure
  1. Remove the front air deflector. Refer to Front Air Deflector Replacement in Body Front End.

    2. Object Number: 350279 Size: SH
  2. Disconnect the electrical connector at the engine coolant heater (1).
  3. Remove the coolant heater retaining bolt.
  4. Remove the coolant heater (1).

Installation Procedure

    Object Number: 350279 Size: SH
  1. Install the coolant heater (1).

    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 coolant heater bolt.

    3. Tighten
    Tighten the coolant heater bolt to 10 N·m (89 lb in).

  3. Connect the electrical connector to the coolant heater (1).
  4. Install the front air deflector. Refer to Front Air Deflector Replacement in Body Front End.