Evaporator Core: Service and Repair

Removal and Installation






1. Discharge the refrigerant from the system.
2. Remove the glove compartment cover and undercover.
3. Remove the A/C duct.
4. Disconnect the A/C amplifier connector.
5. Remove as shown in the figure.
6. Install in the reverse order of removal. Position the unit so that it's connections match those of the heater unit and blower unit. Apply clean compressor oil to the 0-rings before connecting the fittings; do not apply compressor oil to the fitting nuts. When installing a new cooling unit, add 50 ml (50 cc, 1.7 fl oz) of compressor oil through the high-pressure side of the A/C compressor.

Tightening torque:
Outlet pipe: 20 - 29 N.m {2.0 - 3.O kgf.m, 16 - 21 ft.lbf}
Inlet pipe: 10 - 19 N.m {1.0 - 2.O kgf.m, 8 - 14 ft.lbf}


Disassembly and Assembly






1. Disassemble in the order shown in the figure.
2. Assemble in the reverse order of disassembly, referring to Assembly note. Apply compressor oil before connecting the fittings.

Assembly Note: Expansion valve





Replace the 0-ring of the expansion valve connector. Install the heat-sensing tube in the position shown in the figure.


Evaporator Inspection
Check for the following and repair or replace the evaporator as necessary.
1. Cracks
2. Bent fins