Tacoma Regular Cab 4WD V6-3.4L (5VZ-FE) (1997)
Evaporator Case: Service and Repair
Disassembly and Reassembly
COOLING UNIT DISASSEMBLY
Cooling Unit
1. REMOVE THESE PARTS:
a. A/C amplifier
b. Wire harness
2. REMOVE BLOWER RESISTOR
Remove the 2 screws and blower resistor.
3. SEPARATE UPPER AND LOWER UNIT CASE
a. Using a knife, cut off the each packing.
b. Remove 3 clips and 3 screws.
c. Separate the upper and lower unit case.
4. REMOVE EVAPORATOR FROM LOWER UNIT CASE
ASSEMBLY HINT: If evaporator was replaced, add compressor oil to compressor.
Compressor oil:
Add 40 - 50 cc (1.4-1.7 fl.oz.)
ND-OIL 8 or equivalent
5. REMOVE THERMISTOR
Pull out the thermistor from evaporator.
6. REMOVE PRESSURE SWITCH
Torque: 10 N.m (100 kg.cm, 7 ft.lb)
ASSEMBLY HINT: Lubricate a new O-ring with compressor oil and install the switch.
7. REMOVE EXPANSION VALVE
Using a hexagon wrench, remove the 2 bolts and separate the expansion valve and evaporator.