2003 LEXUS LS430 torque

Torque: 30 N.m (310 kgf.cm, 22 ft.lbf)
HINT:
Use a torque wrench with a fulcrum length of 30 cm (11.81 in.).
Fig. 25: Measuring Fulcrum Length

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2.INSPECT FUEL PUMP ASSY
a. Inspect the fuel pump resistance.
1. Using an ohmmeter, measure the resistance between terminals 4 and 5.
Standard: 0.2 to 3.0 ohms at 20°C (68°F)
b. Inspect fuel pump operation.
1. Apply battery voltage to both terminals. Check that the pump operates.

gasoline to 2 new O-rings and install them to the injector's grooves.
c. To install the fuel injector into the fuel delivery pipe, push the fuel injector while twisting it back
and forth. Install the 4 injectors.
d. Check that the injector can rotate smoothly.
17.INSTALL FUEL DELIVERY PIPE SUB-ASSY NO.2
a. Install the injector (with delivery pipe) to the intake manifold.
b. Under the above condition, turn the injector both ways by approximately 45 degrees.
c. Inserting a spacer in between, install the delivery pipe (with injector) with the 2 nuts.
Torque: 21 N.m (214 kgf.cm, 15 ft.lbf)
18.INSTALL FUEL DELIVERY PIPE SUB-ASSY
a. Install the injector (with delivery pipe) to the intake manifold.
b. Under the above condition, turn the injector both ways by approximately 45 degrees.
c. Inserting a spacer in between, install the delivery pipe (with injector) with the 2 nuts.
Torque: 21 N.m (214 kgf.cm, 15 ft.lbf)
19.INSTALL FUEL PRESSURE PULSATION DAMPER ASSY
a. Inserting 2 new gaskets in between, install the fuel main hose to the fuel pressure pulsation damper.
Torque: 39 N.m (400 kgf.cm, 29 ft.lbf)

Fig. 33: Installing Gaskets
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20.INSTALL ENGINE WIRE
a. Install the 2 wire clamps to the wire clamp bracket on the RH delivery pipe.
21.INSTALL VACUUM SWITCHING VALVE ASSY
Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)
22.INSTALL V-VANK COVER BRACKET NO.4
Torque: 7.5 N.m (76 kgf.cm, 66 in..lbf)
23.INSTALL V-BANK COVER BRACKET NO.3
Torque: 7.5 N.m (76 kgf.cm, 66 in..lbf)
24.INSTALL V-BANK COVER BRACKET NO.2
Torque: 7.5 N.m (76 kgf.cm, 66 in..lbf)
25.INSTALL V-BANK COVER BRACKET NO.1
Torque: 7.5 N.m (76 kgf.cm, 66 in..lbf)
26.INSTALL INTAKE AIR CONNECTOR PIPE

a. Install the intake air connector pipe with the bolt and hose clamp.
Torque:
4.0 N.m (40 kgf.cm, 35 in..lbf) for hose clamp
5.0 N.m (50 kgf.cm, 44 in..lbf) for bolt
b. Connect the air hose and ventilation hose No. 1 together.
27.INSTALL AIR CLEANER INLET NO.1
28.INSPECT FOR FUEL LEAKS (See ON
-VEHICLE INSPECTION )
29.INSTALL V-BANK COVER
Torque: 5.0 N.m (51 kgf.cm, 44 in..lbf)
30.CONNECT BATTERY NEGATIVE TERMINAL
Fig. 34: Identifying Wire Clamp Bracket

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Fig. 46: Installing Fuel Sub-Suction Hose
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23.INSTALL FUEL TANK VENT TUBE SET PLATE
a. Install the set plate with the 8 bolts.
Torque: 6.0 N.m (61 kgf.cm, 52 in..lbf)
24.INSTALL FUEL TANK MAIN TUBE SUB-ASSY
a. Attach the fuel tube connector to the port of the fuel suction plate.
b. Install the tube joint clip.

b. Apply some gasoline to the entire circumference of a new over fill check valve, and insert it into
the fuel tank without using excessive force. Take care not to drop the gasket into the tank.
c. Confirm that the over fill check valve is inserted without any clearance between the gasket and the
lower surface of the valve.
31.INSTALL CHECK VALVE PROTECTOR
32.INSTALL FUEL TANK CUSHION NO.1
a. Attach the fuel tank cushions to the areas marked with diagonal lines in the illustration.
Fig. 54: Identifying Fuel Tank Cushion

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33.INSTALL FUEL TANK BREATHER TUBE SUB-ASSY
34.INSTALL FUEL TANK PROTECTOR SUB-ASSY NO.1
35.INSTALL FUEL SENDER GAGE ASSY
a. Inserting a new gasket in between, install the fuel sender gauge.
Torque: 1.5 N.m (15 kgf.cm, 13 in..lbf)
36.INSTALL FUEL PUMP AND SENDER GAUGE ASSEMBLY
a. Install a new gasket to the fuel suction plate.
b. Connect the fuel sub-suction hose to the fuel return jet tube.
c. Attach the fuel pump and sender
gauge to the fuel tank.

Fig. 55: Installing Fuel Sub-Suction Hose
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
37.INSTALL FUEL TANK VENT TUBE SET PLATE
a. Install the set plate with the 8 bolts.
Torque: 6.0 N.m (61 kgf.cm, 52 in..lbf)
38.INSTALL FUEL TANK ASSY
a. Install the fuel tank with the fuel tank band.
Torque: 39 N.m (400 kgf.cm, 29 ft.lbf)
39.INSTALL FUEL TANK BREATHER HOSE
40.INSTALL FUEL TANK EVAPORATION VENT TUBE
41.INSTALL FUEL TANK TO FILLER PIPE HOSE
42.INSTALL PARKING BRAKE CABLE ASSY NO.3 (See REPLACEMENT
)
43.INSTALL PARKING BRAKE CABLE ASSY NO.2 (See REPLACEMENT
)
44.INSTALL PROPELLER SHAFT ASSY (See OVERHAUL
)

45.INSTALL DIFFERENTIAL SUPPORT PROTECTOR NO.2
46.INSTALL DIFFERENTIAL SUPPORT PROTECTOR NO.1
47.INSTALL FRONT FLOOR HEAT INSULATOR NO.1
a. Install the front floor heat insulator with the 4 bolts.
Torque: 5.4 N.m (55 kgf.cm, 47 in..lbf)
48.INSTALL PROPELLER SHAFT HEAT INSULATOR
49.INSTALL EXHAUST PIPE ASSY (See REPLACEMENT
)
50.INSTALL ENGINE UNDER COVER NO.2
51.INSTALL FRONT FLOOR BRACE CENTER (See OVERHAUL
)
52.INSTALL REAR FLOOR SERVICE HOLE COVER
53.INSTALL FUEL TANK MAIN TUBE SUB-ASSY
a. Connect the connector on the fuel tank side.
1. Attach the fuel tube connector to the port of the fuel suction plate.
2. Install the tube joint clip.
b. Connect the connector on the fuel pipe side.
1. Insert the connector by aligning the axes of the pipe and the connector until the retainer makes a
click sound.