Evaporator Core: Service and Repair

Evaporator

REMOVAL
1. Remove engine cover and air cleaner cover. Refer to "ENGINE ROOM COVER".
2. Use a refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.




3. Drain coolant from cooling system and disconnect heater hoses. Refer to "Changing Engine Coolant".
4. Disconnect low-pressure flexible hose and high-pressure pipe from the evaporator.

CAUTION: Cap or wrap the open ends of low-pressure flexible hose and high-pressure pipe with a suitable material such as a vinyl tape to avoid the entry of air.




5. Remove heater & cooling unit. Refer to "HEATER & COOLING UNIT ASSEMBLY".
6. Remove cooler grommet, expansion valve cover, expansion valve.
7. Remove air mix door motor and mode door motor bracket.
8. Remove evaporator cover.
9. Slide the evaporator, then remove it from the heater & cooling unit.
10. Remove intake sensor from the evaporator, then remove evaporator.

INSTALLATION
Installation is basically the reverse order of removal.

CAUTION:
- Replace low-pressure flexible hose and high-pressure pipe O-rings with new ones. Apply compressor oil prior to installation.
- Mark mounting position of the intake sensor bracket.

Bolt mounting the low-pressure flexible hose and high-pressure pipe
Tightening torque :2.9 - 5.9 Nm (0.29 - 0.6 kg-m, 26 - 52 in-lb)