Evaporator Core: Service and Repair
A/C Evaporator Removal and InstallationRemoval
1. Disconnect negative (-) cable at battery.
2. Disable air bag system. Refer to Disabling Air Bag System.
3. Recover refrigerant by using recovery and recycling equipment. Be sure to follow the instruction manual for the equipment.
The amount of compressor oil removed must be measured and the same amount added to the system.
4. Disconnect suction hose (1) and condenser outlet hose (2) by removing attaching bolt (3).
CAUTION: As soon as above hose and pipe are disconnected, cap opened fittings so that moisture and dust may not enter cooling unit.
5. Remove blower unit referring to Blower Unit Removal and Installation.
6. Remove expansion pipe (1) from expansion valve.
7. Remove expansion valve (2) from evaporator.
8. Remove air joint duct (3) from heater and cooling unit.
9. Remove evaporator (1).
Installation
Reverse removal procedure to install A/C evaporator nothing the following instructions.
- Install uniformly the evaporator packing to dash panel hole for expansion valve.
NOTE: When the A/C evaporator temperature sensor removed, it should be reinstalled in original position.
If cooling unit or evaporator is replaced, pour 50 cc of refrigerating oil to compressor suction-side.
- Enable air bag system. Refer to Enabling Air Bag System.
- Evacuate and charge system according to Operation Procedure for Charging A/C with Refrigerant.