Sequoia LTD 4WD V8-4.7L (2UZ-FE) (2001)
Evaporator Case: Service and Repair
Disassembly and Reassembly
Front Cooling Unit
DISASSEMBLY
1. REMOVE BLOWER MOTOR LINEAR CONTROLLER
Remove the 2 screws and blower motor linear controller.
2. SEPARATE UPPER AND LOWER UNIT CASES
a. Disconnect the connector clamp of thermistor from upper unit case.
b. Using a knife, cut off the each packing.
c. Remove a clip and 6 screws, and grommet.
d. Separate the upper and lower unit case, then pull out the thermistor from evaporator.
3. REMOVE EVAPORATOR FROM LOWER UNIT CASE
HINT: At the time of reassembly, please refer to the following item.
If evaporator is replaced, add compressor oil to compressor.
Add 40 - 50 cc (1.4 - 1.7 H.oz.)
Compressor oil: ND-Oil 8 or equivalent
4. REMOVE EXPANSION VALVE
Using a hexagon wrench (5.0 mm, 0.20 in.), remove the 2 bolts and separate the expansion valve, evaporator and tubes.
Torque: 5.4 N.m (55 kgf.cm, 48 in..lbf)
HINT: At the time of reassembly, please refer to the following item.
Lubricate 4 new O-rings with compressor oil and install them to the tubes and valve.
REASSEMBLY
Reassembly is in the reverse order of disassembly.
Rear Cooling Unit
DISASSEMBLY
1. REMOVE BLOWER MOTOR
2. REMOVE POWER TRANSISTOR