GM Service Manual Online
For 1990-2009 cars only

Coolant Heater Replacement V6

Removal Procedure

  1. Turn the ignition OFF.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Disconnect the coolant heater cord from the coolant heater.

  4. Object Number: 1312571  Size: SH
  5. Remove the coolant heater.

Installation Procedure


    Object Number: 1312571  Size: SH
  1. Install the coolant heater.
  2. Connect the coolant heater cord to the coolant heater.
  3. Lower the vehicle.

Coolant Heater Replacement V8


Object Number: 2143740  Size: MF

Callout

Component Name

Preliminary Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  3. Remove the left front wheel. Refer to Tire and Wheel Removal and Installation.

1

Coolant Heater

Caution: Refer to Fastener Caution in the Preface section.

Procedure

Note: Work through the wheel well opening.

Disconnect the coolant heater cord from the coolant heater.

Tighten
50 N·m (37 lb ft)