Heater Core: Service and Repair

REMOVAL

WARNING: ON VEHICLES EQUIPPED WITH AIR-BAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATE THE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM CAPACITOR TO DISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THE AIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIR-BAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.

1. Remove the HVAC housing.

Heater Core:

2. If equipped, remove the two screws that secure the heater core in the HVAC housing.
3. Gently push back on the two heater core retaining tabs and remove the heater core from the HVAC housing.

INSTALLATION
1. Position the heater core into the HVAC housing.
2. Push the top of the heater core down until the retaining tabs lock the heater core into place.
3. If equipped, install the two screws that secure the heater core to the HVAC housing. Tighten the screws to 2 Nm (17 in. lbs.).

NOTE: If the heater core is being replaced, flush the cooling system. Cleaning/Flushing Cooling System

4. Install the HVAC housing.