Heater Core Replacement - Auxiliary

REMOVAL PROCEDURE




1. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System. Service and Repair
2. Raise and support vehicle. Refer to Lifting and Jacking the Vehicle in Vehicle Lifting.
3. Disconnect the heater hose quick disconnects.
4. Lower the vehicle.
5. Remove the left side rear quarter lower trim panel.




6. Remove the heater pipe bracket retaining screw.
7. Remove the heater pipe bracket.
8. Remove the heater pipe block fitting bolt.
9. Carefully push the heater pipes downward to disconnect the heater pipe block fitting from the heater core.
10. Remove the heater core retaining screws.

IMPORTANT: Carefully pull the heater core straight out from the HVAC module so not to damage the cooling fins of the heater core.




11. Remove the heater core from the rear HVAC module.

INSTALLATION PROCEDURE

IMPORTANT: Carefully insert the heater core straight into the HVAC module so not to damage the cooling fins of the heater core.




1. Install the heater core to the rear HVAC module.

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the heater core retaining screws

Tighten
Tighten the heater core retaining screws to 1.6 N.m (14 lb in).

3. Carefully pull the heater pipes up and align the heater pipe block fitting to the heater core.




4. Install the heater pipe block fitting retaining bolt.

Tighten
Tighten the heater pipe block fitting retaining bolt 16 N.m (12 lb ft).

5. Install the heater pipe bracket.
6. Install the heater pipe bracket retaining screw.

Tighten
Tighten the heater pipe bracket retaining screw 1.6 N.m (14 lb in).

7. Install the left side rear quarter lower trim panel.
8. Raise and support vehicle. Refer to Lifting and Jacking the Vehicle in Vehicle Lifting.




9. Connect the heater hose quick disconnects
10. Lower the vehicle
11. Refill the cooling system.