Evaporator Core: Service and Repair

A/C EVAPORATOR

REMOVAL
1. Remove the HVAC housing.
2. Disassemble the HVAC housing as necessary to access the A/C evaporator.

Evaporator Temperature Sensor Probe:

3. Remove the evaporator temperature sensor probe from the A/C evaporator.

A/C Evaporator:

4. Carefully lift the A/C evaporator and insulator out of the lower half of the HVAC housing.
5. If required, remove the rubber seal from the tapping plate of the A/C evaporator. If the seal is deformed or damaged, it must be replaced.

INSTALLATION

NOTE: If the A/C evaporator is being replaced, add 60 milliliters (2 fluid ounces) of refrigerant oil to the refrigerant system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.

1. Install the A/C evaporator into the lower half of the HVAC housing. Make sure that the evaporator drain is clean and unrestricted and that the evaporator insulator is properly installed.

NOTE: The A/C evaporator is manufactured with three holes for evaporator temperature sensor probe insertion. Always insert the probe into the uppermost hole.

2. Install the evaporator temperature sensor probe into the A/C evaporator.
3. Assemble the HVAC housing.
4. Install the HVAC housing.