GM Service Manual Online
For 1990-2009 cars only

Coolant Heater Cord Replacement 3.5L (L66)

Removal Procedure


    Object Number: 1358046  Size: SH
  1. Disconnect the coolant heater power supply cord from the coolant heater (2).
  2. Disconnect the coolant heater cord clip (1) from the engine.

  3. Object Number: 1252257  Size: SH
  4. Disconnect the coolant heater cord from between the washer bottle and the coolant reservoir (1).
  5. Remove the coolant heater cord from the vehicle.

Installation Procedure


    Object Number: 1358046  Size: SH
  1. Connect the coolant heater cord to the coolant heater (2).
  2. Secure the coolant heater cord clip (1) to the engine .

  3. Object Number: 1252257  Size: SH
  4. Route the coolant heater cord along the battery (2).
  5. Secure the coiled power cord between the washer fluid bottle and the coolant reservoir (1).

Coolant Heater Cord Replacement 2.4L (LAT)

Removal Procedure


    Object Number: 798929  Size: SH
  1. Disconnect the engine coolant heater cord (1).
  2. Remove the clips from the engine mount and surge tank.

Installation Procedure

  1. Install the clips from the engine mount and surge tank.

  2. Object Number: 798929  Size: SH
  3. Connect the engine coolant heater cord (1).