Evaporator Core Description and Operation
Evaporator Core: Service and Repair
REMOVAL
WARNING:
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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 AN
ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.
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REVIEW THE WARNINGS AND CAUTIONS IN THE FRONT BEFORE PERFORMING THE FOLLOWING OPERATION.
1. Remove the heater housing.
2. Disassemble the heater housing to access the evaporator.
A/C Evaporator - Typical
3. Lift the evaporator out of the lower half of the housing.
INSTALLATION
NOTE: If the evaporator is being replaced, add 60 milliliters (2 fluid ounces) of refrigerant oil to the refrigerant system.
1. Install the evaporator coil into the bottom half of the HVAC housing.
2. Assemble the HVAC housing.
3. Install the HVAC housing.
