Front Heater Core - Removal

REMOVAL

WARNING: 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 may result in accidental airbag deployment and possible serious or fatal injury.

WARNING: Review safety precautions and warnings in this group before performing this procedure and . Failure to follow the warnings and cautions may result in serious or fatal injury.

NOTE: Take the proper precautions to protect the front face of the instrument panel from cosmetic damage.





1. Remove the instrument panel and HVAC housing as an assembly and place them on a workbench and .
2. Remove the blower motor power module or blower motor resistor (depending on application) or .
3. Remove the two metal retaining clamps (1) that secure the heater core tubes (2) to the heater core (3).
4. Disconnect the heater core tubes from the heater core and remove and discard the O-ring seals.




CAUTION: Make sure not to damage the stud mounting boss when removing the retaining bracket from the HVAC housing. Hold the end of the stud with vise grips or similar tool when removing the nut from the stud. Failure to follow this caution may result in damage to the HVAC housing.

5. Remove the nut (1) that secures the bracket (2) to the HVAC housing (3) near the blower motor. Hold the end of the stud with vise grips or similar tool when removing the nut from the stud.




6. Carefully position the blower motor portion of the HVAC housing (2) slightly forward for clearance and remove the heater core (1) from the HVAC housing (3) by pulling it straight out of the side of the housing.