Expansion Valve: Service and Repair
1. REMOVE COOLING UNIT, Service and Repair2. REMOVE BLOWER RESISTOR
Remove the 2 screws and blower resistor.
3. SEPARATE COOLING UNIT CASES
a. Disconnect the thermistor connector.
b. Using a knife, cut off each packing.
c. Remove the 4 screws and 3 clips, then separate the cooling unit cases.
4. REMOVE EVAPORATOR FROM COOLING UNIT CASE
5. REMOVE THERMISTOR
Pull out the thermistor from the evaporator.
6. REMOVE EXPANSION VALVE
Using a hexagon wrench (5.0 mm, 0.20 in.), remove the 2 bolts and separate the expansion valve, evaporator, liquid and suction tube.
7. INSPECT EVAPORATOR CORE, Testing and Inspection
8. INSPECT THERMISTOR RESISTANCE, Testing and Inspection
REASSEMBLY
1. INSTALL EXPANSION VALVE
a. Lubricate 4 new O-rings with compressor oil and install them to the expansion valve.
b. Using a hexagon wrench (5.0 mm, 0.20 in.), install the expansion valve with the 2 bolts.
Torque: 5.4 Nm (55 kgf-cm, 48 in-lbf)
2. INSTALL THERMISTOR
Install the thermistor to the evaporator.
3. INSTALL EVAPORATOR TO COOLING UNIT CASE
HINT: If evaporator is replaced, add compressor oil to the evaporator.
Add 40 cc (1.4 fl.oz.)
Compressor oil: ND-OIL 8 or equivalent
4. INSTALL COOLING UNIT CASES
a. Install the cooling unit cases with the 4 screws and 3 clips.
b. Install the new packing.
c. Connect the thermistor connector.
5. INSTALL BLOWER RESISTOR
Install the blower resistor with the 2 screws.
6. INSTALL COOLING UNIT Service and Repair