Evaporator Core: Service and Repair

Cooling Unit Removal
1. Disconnect the negative battery cable.
2. Discharge the refrigerant from the refrigerant system.




3. Disconnect the low-pressure pipe from the cooling unit outlet fitting.
4. Disconnect the high-pressure pipe from the cooling unit inlet fitting.
5. Remove the grommet.




6. Remove the glove compartment.
7. Disconnect the A/C wire harness.




8. Remove the seal plates.
9. Remove the nuts and disconnect the drain hose; then remove the cooling unit.


Disassembly and Assembly





- Disassemble and assemble as shown.


Installation
- Install in the reverse order of the removal, noting the following.

Note
a) Adjust and position the cooling unit so that its connections match those of the heater unit and the blower unit.
b) If the evaporator is replaced, add compressor oil to the compressor.

Compressor oil: 50 cc (3.05 cu in)





Tightening torque
Low-pressure pipe: 29 - 34 N.m (3.0 - 3.5 m-kg, 22 - 25 ft-lb)
High-pressure pipe: 25 - 29 N.m (2.5 - 3.0 m-kg, 18 - 22 ft-lb)