2003 LEXUS LS430 torque

compressed air.
b. If the fins of the cooler condenser assy are bent, straighten them using a screwdriver or pliers.
2.INSPECT CONDENSER FOR REFRIGERANT LEAKAGE
a. Using a halogen leak detector, check the pipe joints for refrigerant leakage.
b. If refrigerant leakage is detected in a joint, check the torque of the joint.
COMPONENTS

Fig. 100: Installing Filter Into Modulator
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
c. Install the cap to the modulator.
1. Apply compressor oil to the O-rings and thread of the cap.
Compressor oil: ND-OIL 8 or equivalent
2. Using a hexagon wrench 10 mm (0.39 in.), install the caps.
Torque: 12.3 N.m (125 kgf.cm, 9 ft.lbf)

Fig. 101: Installing Cap To Modulator
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
15.INSTALL LIQUID TUBE SUB-ASSY A
a. Remove the attached vinyl tape from the tube and connecting part of the cooler condenser assy.
b. Sufficiently apply compressor oil to a new O-ring and pipe joint.
Compressor oil: ND-OIL 8 or equivalent
c. Install the O-ring to the liquid tube sub-assy A.
d. Connect the liquid tube sub-assy A to the cooler condenser assy with the bolt.
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)

Fig. 102: Installing Liquid Tube Sub-Assy A
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
16.INSTALL DISCHARGE HOSE SUB-ASSY NO. 1
a. Remove the attached vinyl tape from the tube and connecting part of the cooler condenser assy.
b. Sufficiently apply compressor oil to a new O-ring and hose joint.
Compressor oil: ND-OIL 8 or equivalent
c. Install the O-ring to the discharge hose sub-assy No. 1.
d. Connect the discharge hose sub-assy No. 1 to the cooler condenser assy with the bolt.
Torque: 5.4 N.m (55 kgf.cm, 48 in.lbf)

Fig. 128: Removing Rear Cooling Unit Expansion Valve
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
36.INSTALL REAR COOLING UNIT 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 on the rear cooling unit expansion valve.
c. Using a hexagon wrench 5 mm (0.20 in.), install the rear cooling unit expansion valve, air
conditioning tube assy with the 2 hexagon bolts.
Torque: 3.5 N.m (36 kgf.cm, 31 in.lbf)

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Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
37.INSTALL A PIPE COOLER REFRIGERANT LIQUID
a. Sufficiently apply compressor oil to a new O-ring and fitting surface of the liquid tube.
Compressor oil: ND-OIL 8 or equivalent
b. Install the O-ring on the liquid tube.
c. Install the liquid tube with a bolt.
Torque: 3.5 N.m (35 kgf.cm, 30 in.lbf)
38.INSTALL PIPE COOLER REFRIGERANT SUCTION A
a. Sufficiently apply compressor oil to a new O-ring and fitting surface of the suction hose.
Compressor oil: ND-OIL 8 or equivalent
b. Install the O-ring on the suction hose.
c. Install the suction hose with a bolt.
Torque: 3.5 N.m (35 kgf.cm, 30 in.lbf)

Fig. 7: Removing LO/HIGH Pitched Horn Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3.INSTALL LOW PITCHED HORN ASSY
a. Place the stay onto the baffle part in the radiator support upper, and then install the horn with the
bolt.
Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)
b. Connect the connector.
4.INSTALL HIGH PITCHED HORN ASSY
a. Place the stay onto the baffle part in the radiator support upper, and then install the horn with the
bolt.
Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)
b. Connect the connector.

6. Visually check if spark occurs while the engine is being cranked.
If a spark does not occur, perform the test as follows:
Fig. 4: Spark Test Flow Diagram

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
7. Using a 16 mm (0.63 in.) plug wrench, install the spark plugs.
Torque: 18 N.m (180 kgf.cm, 13 ft.lbf)
8. Install the ignition coils (see REPLACEMENT
).