2003 LEXUS LS430 torque

If there is leakage, check the tightening torque at the joints or evaporator.
Fig. 28: Checking For Leakage Of Refrigerant From Evaporator And Joint

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COMPONENTS

Fig. 58: Removing Air Outlet Servomotor
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26.REMOVE WIRING AIR CONDITIONING HARNESS SUB-ASSY
27.INSTALL COOLER EXPANSION VALVE
a. Sufficiently apply compressor oil to 4 new O-rings and fitting surface of the cooler expansion
valve.
Compressor oil: ND-OIL 8 or equivalent
b. Install the 4 O-rings to the cooler expansion valve.
c. Using a hexagon wrench 5 mm (0.20 in.), install the cooler expansion valve with the 2 hexagon
bolts.
Torque: 4.1 N.m (42 kgf.cm, 36 ft.lbf)

Fig. 59: Installing Cooler Expansion Valve
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d. Sufficiently apply compressor oil to 2 new O-rings and fitting surface of the cooler expansion
valve.
Compressor oil: ND-OIL 8 or equivalent
e. Install the 2 O-rings to the cooler expansion valve.
f. Using a hexagon wrench 5 mm (0.20 in.), install the cooler expansion valve with the 2 hexagon
bolts.
Torque: 4.1 N.m (42 kgf.cm, 36 ft.lbf)

Fig. 69: Installing Hose Clip
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38.INSTALL LIQUID TUBE SUB-ASSY A
a. Sufficiently apply compressor oil to a new O-ring.
Compressor oil: ND-OIL 8 or equivalent
b. Install the O-ring.
c. Connect the liquid tube sub-assy.
39.INSTALL SUCTION TUBE SUB-ASSY B
a. Sufficiently apply compressor oil to a new O-ring.
Compressor oil: ND-OIL 8 or equivalent
b. Install the O-ring.
c. Connect the suction tube sub-assy B and slide the plate.
d. Install a bolt.
Torque: 10 N.m (100 kgf.cm, 7 ft.lbf)

11.TEMPORARILY TIGHTEN W/PULLEY COMPRESSOR ASSY
a. Temporarily tighten the w/pulley compressor assy with the 2 bolts.
b. Connect the connector.
Fig. 81: Tightening W/Pulley Compressor Assy Bolts Temporarily

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12.INSTALL COMPRESSOR MOUNTING BRACKET NO. 1
a. Install the compressor mounting bracket No. 1 with the bolt and nut.
Torque:
Bolt: 49 N.m (500 kgf.cm, 36ft.lbf)
Nut: 30 N.m (306 kgf.cm, 22 ft.lbf)

Fig. 82: Installing Compressor Mounting Bracket No. 1
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13.FULLY TIGHTEN W/PULLEY COMPRESSOR ASSY
a. Fully tighten the w/pulley compressor assy with the 2 bolts.
Torque: 49 N.m (500 kgf.cm, 36 ft.lbf)

Fig. 83: Tightening W/Pulley Compressor Assy
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14.INSTALL COOLER REFRIGERANT SUCTION HOSE NO. 1
a. Remove the attached vinyl tape from the hose.
b. Sufficiently apply compressor oil to the new O-ring and fitting surface of the compressor and
magnetic clutch.
Compressor oil: ND-OIL 8 or equivalent
c. Install an O-ring to the cooler refrigerant suction hose No. 1.
d. Install the cooler refrigerant suction hose No. 1 to the compressor and magnetic clutch with the
bolt.
Torque: 9.8 N.m (100 kgf.cm, 7 ft.lbf)

Fig. 84: Installing Cooler Refrigerant Suction Hose No. 1
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
15.INSTALL COOLER REFRIGERANT DISCHARGE HOSE NO. 1
a. Remove the attached vinyl tape from the hose.
b. Sufficiently apply compressor oil to the new O-ring and fitting surface of the compressor and
magnetic clutch.
Compressor oil: ND-OIL 8 or equivalent
c. Install an O-ring to the cooler refrigerant discharge hose No. 1.
d. Install the cooler refrigerant discharge hose No. 1 to the compressor and magnetic clutch with the
nut.
Torque: 9.8 N.m (100 kgf.cm, 7 ft.lbf)