Lexus NX: Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL NO. 1 COOLER THERMISTOR
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2. INSTALL NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY
(a) Sufficiently apply compressor oil to 2 new O-rings and the fitting surface of the cooler expansion valve.
Compressor Oil:
ND-OIL 11 or equivalent
(b) Install the 2 O-rings to a new No. 1 cooler evaporator sub-assembly.
NOTICE:
Keep the O-rings and O-ring fitting surfaces free of foreign matter.
(c) Install the No. 1 cooler evaporator sub-assembly with the No. 1 cooler thermistor.
NOTICE:
When the No. 1 cooler evaporator sub-assembly is removed, make sure to install a new one. The No. 1 cooler evaporator sub-assembly cannot be reused.
| (d) Attach the clamp. |
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| (e) Attach the 7 guides and 10 claws to install the upper heater case. |
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(f) Install the 2 screws.
3. INSTALL COOLER EXPANSION VALVE
| (a) Insert the cooler expansion valve. |
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(b) Using a 4 mm hexagon wrench, install the cooler expansion valve with the 2 hexagon bolts.
Torque:
3.5 N·m {36 kgf·cm, 31 in·lbf}
(c) Install the cooling unit packing.
4. INSTALL HEATER RADIATOR UNIT SUB-ASSEMBLY
| (a) Install the heater radiator unit sub-assembly. |
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| (b) Attach the 2 claws to install the clamp. |
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(c) Install the screw.
5. INSTALL NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
| (a) Align each No. 1 air conditioning radiator damper servo sub-assembly standard position. |
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(b) Align each gear on the air conditioner radiator assembly side with the standard position as shown in the illustration.
| *a | Standard Position | - | - |
| (c) Align the positioning rib and each gear in the order shown in the illustration and temporarily install the No. 1 air conditioning radiator damper servo sub-assembly. |
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(d) Install the No. 1 air conditioning radiator damper servo sub-assembly with the 3 screws.
6. INSTALL NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
| (a) Align the gears with the standard position as shown in the illustration and temporarily install the No. 2 air conditioning radiator damper servo sub-assembly. |
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(b) Install the No. 2 air conditioning radiator damper servo sub-assembly with the 2 screws.
7. INSTALL QUICK HEATER ASSEMBLY
| (a) Install the quick heater assembly with the screw as shown in the illustration. |
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8. INSTALL AIR CONDITIONING HARNESS ASSEMBLY
(a) Attach the 4 clamps to install the air conditioning harness assembly.
(b) Connect the 3 connectors.
9. INSTALL DRAIN COOLER HOSE
| (a) Align the protrusion on the lower heater case with the indentation on the drain cooler hose, and install the drain cooler hose. |
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10. INSTALL AIR CONDITIONING AMPLIFIER ASSEMBLY
| (a) Insert the guide as shown in the illustration to temporarily install the air conditioning amplifier assembly. NOTICE: Make sure to align the protrusion on the air conditioning amplifier assembly with the indentation on the air conditioning unit assembly. |
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(b) Install the air conditioning amplifier assembly with the screw.
(c) Connect the air conditioning amplifier assembly connector.
11. INSTALL ASPIRATOR
| (a) Attach the 2 claws to install the aspirator. |
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| (b) Install the aspirator hose. |
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12. INSTALL AIR CONDITIONING RADIATOR ASSEMBLY
(a) Attach the 2 claws to install the air conditioning radiator assembly.
(b) Install the 2 screws.
(c) Attach the 3 clamps to install the air conditioning harness assembly.
(d) Connect the No. 1 blower damper servo sub-assembly connector.
READ NEXT:
Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
A bolt without a torque specification is shown in the s
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