Removal and Installation

HVAC Unit Removal and Installation

HVAC Unit Components:Manual A/C

Removal

1) Recover refrigerant from A/C system with recovery and recycling equipment referring to "Recovery" in Service and Repair Operation Procedure for Refrigerant Charge:Manual A/C.
2) Drain engine coolant referring to Draining Cooling System Draining
, and then disconnect heater hoses from HVAC unit.
3) Remove cowl top cover from vehicle body referring to [1][2]Cowl Cowl Top and Front Lower Cross Member Components.
4) Remove instrument panel from vehicle body referring to Service and Repair Instrument Panel Removal and Installation.
5) Loosen a bolt (1) and remove pipes from expansion valve (2).






6) Remove HVAC unit (1) from vehicle body by removing nuts (2).






Installation

Evaporator Inspection:Manual A/C

Evaporator Temperature Sensor Inspection:Manual A/C

Reverse removal procedure noting the following instructions.

- Replenish specified amount of compressor oil to compressor suction side referring to "Replenishing Compressor Oil" in Service and Repair Operation Procedure for Refrigerant Charge:Manual A/C.
- Install the padding (1) to the installation hole uniformly.





- Evacuate and charge the A/C system referring to "Evacuation" and "Charge" in Service and Repair Operation Procedure for Refrigerant Charge:Manual A/C.
- Refill cooling system with coolant referring to Refilling Cooling System Refilling.
- Adjust control cables referring to HVAC Control Unit Removal and Installation HVAC Control Unit Removal and Installation. (vehicle with manual type A/C)