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Last Modified: 4-30-2014 |
6.6 A |
Doc ID: RM0000018PU001X |
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Model Year: 2006 |
Model: LX470 |
Prod Date Range: [05/2005 -
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Title:
AIR CONDITIONING: REAR COOLING UNIT: DISASSEMBLY; 2006 MY LX470 [05/2005 - ]
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DISASSEMBLY
1. REMOVE AIR CONDITIONING AMPLIFIER
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(a) Remove the 2 screws and amplifier.
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2. REMOVE POWER TRANSISTOR
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(a) Disconnect the connector.
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(b) Remove the 2 screws and power transistor.
3. REMOVE COOLING UNIT CASE
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(a) Remove the wire harness.
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(b) Remove the 11 screws, 3 holding springs and separate the cooling unit cases.
(c) Disconnect the connector.
(d) Remove the blower case.
4. REMOVE BLOWER MOTOR
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(a) Remove the 3 screws and blower motor.
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5. REMOVE EVAPORATOR
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(a) Disconnect the 2 connector clamps.
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(b) Remove the 10 screws and 2 holding springs, and separate the cooling unit cases.
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(c) Remove the screw and piping clamp.
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(d) Loosen the 2 nuts and remove the tube and accessory.
Torque:
Liquid line -
14 N·m {140 kgf·cm, 10ft·lbf}
Suction line -
32 N·m {330 kgf·cm, 24ft·lbf}
NOTICE:
Seal the openings of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering them.
HINT:
At the time of reassembly, lubricate 2 new O-rings with compressor oil and install them to the tubes.
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(e) Remove the evaporator.
HINT:
At the time of reassembly, if the evaporator was replaced, add compressor oil to the new evaporator.
Add oil amount:
40 cc (1.4 fl.oz.)
Compressor oil:
ND-OIL 8 or equivalent
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6. REMOVE COOLER THERMISTOR
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(a) Remove the cooler thermistor from the evaporator.
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7. REMOVE EXPANSION VALVE
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(a) Using a 5 mm hexagon wrench, remove the 2 hexagon bolts and separate the expansion valve and evaporator.
Torque:
5.4 N·m {55 kgf·cm, 48in·lbf}
HINT:
At the time of reassembly, lubricate 4 new O-rings with compressor oil and install them to the tubes.
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