Heater-Evaporator Unit Replacement

Evaporator Removal and Installation

1. Recover the refrigerant with a recovery/recycling/charging station.




2. Disconnect the suction (A) and the receiver (B) lines from the evaporator. Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination.
3. Remove the glove box and the glove box cover.




4. Remove the wire harness connectors (A) from the evaporator. Disconnect the connector (B) from the evaporator temperature sensor.




5. Remove the self-tapping screws, the mounting nut, the mounting bolts and the evaporator.
6. Install the evaporator in the reverse order of removal, and note these items.
- If you're installing a new evaporator, add refrigerant oil (DENSO ND-OIL 8)
- Replace the O-rings with new ones at each fitting, and apply a thin coat of refrigerant oil before installing them. Be sure to use the right O-rings for HFC-134a (R-134a) to avoid leakage.
- Immediately after using the oil, replace the cap on the container, and seal it to avoid moisture absorption.
- Do not spill the refrigerant oil on the vehicle; it may damage the paint; if the refrigerant oil contacts the paint, wash it off immediately.
- Make sure that There is no air leakage.
- Evacuate the system.
- Charge the system and test its performance.