GM Service Manual Online
For 1990-2009 cars only

Coolant Heater Cord Replacement LAT

Removal Procedure


    Object Number: 1892451  Size: SH
  1. Disconnect the engine coolant heater cord (1).
  2. Remove the heater cord retaining clip from the front fender.

Installation Procedure


    Object Number: 1892451  Size: SH
  1. Install the heater cord retaining clip to the front fender.
  2. Connect the engine coolant heater cord (1).

Coolant Heater Cord Replacement LZ4

Removal Procedure


    Object Number: 1584090  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the engine coolant heater cord (1) from the engine coolant heater.
  3. Lower the vehicle.

  4. Object Number: 1782678  Size: SH
  5. Remove the coolant heater cord clip from the transaxle bracket.

  6. Object Number: 1584096  Size: SH
  7. Remove the coolant heater cord from the shock tower and the battery tray.

Installation Procedure


    Object Number: 1584096  Size: SH
  1. Install the coolant heater cord between the shock tower and the battery tray.

  2. Object Number: 1782678  Size: SH
  3. Install the coolant heater cord clip to the transaxle bracket.

  4. Object Number: 1584090  Size: SH
  5. Raise and support the vehicle.
  6. Connect the engine coolant heater cord (1) to the engine coolant heater.
  7. Lower the vehicle.

Coolant Heater Cord Replacement LY7

Removal Procedure


    Object Number: 1847094  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Disconnect the coolant heater power supply cord from the coolant heater (1).

  3. Object Number: 1847099  Size: SH
  4. Disconnect the coolant heater cord clip (1).
  5. Lower the vehicle.

  6. Object Number: 1847105  Size: SH
  7. Remove the coolant heater cord clip  (1) from the heater cord.
  8. Remove the coolant heater cord from the vehicle.

Installation Procedure


    Object Number: 1847105  Size: SH
  1. Position the coolant heater power supply cord between the strut tower and battery tray.
  2. Install the coolant heater cord clip  (1) to the heater cord.

  3. Object Number: 1847094  Size: SH
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  5. Route the coolant heater cord along the engine wiring harness conduit.
  6. Connect the coolant heater cord to the coolant heater (1).

  7. Object Number: 1847099  Size: SH
  8. Secure the coolant heater cord clip (1).
  9. Lower the vehicle.