Housing Assembly HVAC: Service and Repair
HEATER MODULE REPLACEMENT - AUXILIARYREMOVAL PROCEDURE
1. Drain the engine coolant. Refer to Draining and Filling Cooling System in Cooling System. Service and Repair
2. Remove the body side front lower trim panel.
3. Remove the auxiliary heater module cover retaining screws.
4. Remove the auxiliary heater module cover.
5. Remove the auxiliary heater pipe clamps.
6. Disconnect the auxiliary heater pipes from the auxiliary heater module.
7. Remove the bolts retaining the auxiliary heater module to the floor.
IMPORTANT: Before removing the auxiliary heater module from the vehicle, be sure to place a protective cover on the floor in order to prevent coolant from leaking onto the carpet.
8. Remove the auxiliary heater module from the vehicle.
INSTALLATION PROCEDURE
1. Install the auxiliary heater module.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the bolts that retain the auxiliary heater module to the floor.
Tighten
Tighten the auxiliary heater module retaining bolts to 5 N.m (44 lb in).
3. Connect the auxiliary heater pipes to the auxiliary heater module.
4. Install the auxiliary heater pipe clamps.
5. Install the auxiliary heater module cover.
6. Install the auxiliary heater module cover retaining screws.
Tighten
Tighten the auxiliary heater module cover retaining screws to 5 N.m (44 lb in).
7. Install the body side front lower trim panel.
8. Fill the cooling system with engine coolant. Refer to Draining and Filling Cooling System in Cooling System. Service and Repair
9. Inspect the system for leaks.