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For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Lucerne 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Coolant Heater Cord Replacement

Coolant Heater Cord Replacement LD8

Removal Procedure

    Object Number: 1667236 Size: SH
  1. Remove the surge tank inlet hose/pipe. Refer to Radiator Surge Tank Inlet Hose/Pipe Replacement .
  2. Disconnect the coolant heater cord electrical connector (2) from the right coolant heater electrical connector (1).

    3. Object Number: 1667235 Size: SH
  3. Disconnect the coolant heater cord electrical connector (3) from the left coolant heater electrical connector (2).
  4. Cut the coolant heater cord strap (4) at the engine harness.
  5. Remove the coolant heater cord clip (1) from the lift hook bracket.

    6. Object Number: 1662134 Size: SH
  6. Remove the coolant heater cord clips from the fuel rail studs.
  7. Cut the coolant heater cord strap at the engine harness.

Installation Procedure

    Object Number: 1662134 Size: SH
  1. Install the coolant heater cord clips to the fuel rail studs.
  2. Install a NEW strap attaching the coolant heater cord to the engine harness.

    3. Object Number: 1667235 Size: SH
  3. Install the coolant heater cord clip (1) to the lift hook bracket.
  4. Install a NEW strap attaching the coolant heater cord to the engine harness.
  5. Connect the coolant heater cord electrical connector (3) to the left coolant heater electrical connector (2).

    6. Object Number: 1667236 Size: SH
  6. Connect the coolant heater cord electrical connector (2) to the right coolant heater electrical connector (1).
  7. Install the surge tank inlet hose/pipe. Refer to Radiator Surge Tank Inlet Hose/Pipe Replacement .

Coolant Heater Cord Replacement LZ9 or LGD

Removal Procedure

    Object Number: 2099631 Size: SH
  1. Rase and support the vehicle. Refer to Lifting and Jacking the Vehicle
  2. Note the location of the coolant heater cord in relation to the engine and transmission.
  3. Disconnect the engine coolant heater cord (2) from the engine coolant heater.
  4. Remove the coolant heater cord (2) retainer from the wiring harness.
  5. Remove the coolant heater cord retainer (3, 4).
  6. Remove the coolant heater cord retainer from the strut tower.
  7. Remove the coolant heater cord from the vehicle.

Installation Procedure

    Object Number: 2099631 Size: SH
  1. Position the coolant heater cord to the engine and transmission.
  2. Install the coolant heater cord retainer to the strut tower.
  3. Install the coolant heater cord retainer (3, 4).
  4. Install the coolant heater cord (2) retainer to the wiring harness.
  5. Connect the engine coolant heater cord (2) to the engine coolant heater.
  6. Lower the vehicle