fuel LEXUS LS430 2003 Factory Service Manual
[x] Cancel search | Manufacturer: LEXUS, Model Year: 2003, Model line: LS430, Model: LEXUS LS430 2003Pages: 4500, PDF Size: 87.45 MB
Page 3313 of 4500

13.DRAIN AUTOMATIC TRANSMISSION FLUID
14.REMOVE RADIATOR ASSY (See REPLACEMENT
)
15.DISCONNECT FUEL PIPE SUB-ASSY NO.2 (See REPLACEMENT
)
16.REMOVE FAN AND GENERATOR V BELT (See REPLACEMENT
)
17.DISCONNECT ENGINE WIRE
a. Disconnect the engine wire from the ECM box.
b. Remove the nut, and disconnect the generator wire from the generator.
c. Disconnect the wire for generator wire from the wire clamp on generator.
d. Remove the bolt, and disconnect the ground cable from the stay on the generator.
e. Remove the 2 bolts, and disconnect the PS oil hose from the No. 1 oil pan.
f. Remove the bolt, and disconnect the ground strap from the body.
18.DISCONNECT AIR HOSE NO.5
19.DISCONNECT FUEL VAPOR FEED HOSE NO.2
20.DISCONNECT HEATER WATER INLET HOSE A
21.DISCONNECT HEATER WATER OUTLET HOSE A (FROM HEATER UNIT)
22.DISCONNECT VANE PUMP OIL RESERVOIR ASSY
23.DISCONNECT VANE PUMP ASSY
a. Disconnect the 2 PS air hoses.
b. Remove the 2 screws and RH engine under cover.
c. Disconnect the PS oil pressure switch connector.
d. Remove the 2 bolts and nut, and disconnect the pump from the engine.
e. Support the pump securely.
24.DISCONNECT COOLER COMPRESSOR ASSY
a. Disconnect the compressor connector.
b. Disconnect the wire clamp from the wire bracket on the compressor.
c. Remove the bolt, nut and stay.
d. Remove the bolt, and disconnect the wire bracket from the compressor.
e. Remove the bolt, and disconnect the compressor from the engine.
f. Support the cooler compressor securely.
25.REMOVE FRONT FLOOR BRACE CENTER
a. Remove the 4 bolts and brace center.
26.REMOVE EXHAUST PIPE ASSY (See REPLACEMENT
)
27.REMOVE W/ CATALYST CONVERTER ASSY
28.REMOVE FRONT FLOOR HEAT INSULATOR NO.1
29.REMOVE PARKING BRAKE CABLE HEAT INSULATOR
30.REMOVE PROPELLER W/ CENTER BEARING SHAFT ASSY (See OVERHAUL
)
31.REMOVE FLOOR SHIFT GEAR SHIFTING ROD SUB-ASSY
32.REMOVE STEERING SLIDING W/ SHAFT YOKE SUB-ASSY
Page 3360 of 4500

Fig. 80: Installing Vane Pump Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
131.INSTALL VANE PUMP OIL RESERVOIR ASSY
132.CONNECT HEATER WATER OUTLET HOSE A (FROM HEATER UNIT)
133.CONNECT HEATER WATER INLET HOSE A
134.CONNECT FUEL VAPOR FEED HOSE NO.2
135.CONNECT AIR HOSE NO.5
136.CONNECT ENGINE WIRE
a. Connect the engine wire from the ECM box.
b. Install the nut, and connect the generator wire to the generator.
c. Connect the wire for generator wire to the wire clamp on generator.
d. Connect the ground cable to the stay on generator with the bolt.
e. Connect the PS oil hose to the No. 1 oil pan with the 2 bolts.
f. Connect the ground strap to the body with the 2 bolts.
137.INSTALL FAN AND GENERATOR V BELT (See REPLACEMENT
)
138.CONNECT FUEL PIPE SUB-ASSY NO.2 (See REPLACEMENT
)
139.INSTALL RADIATOR ASSY (See REPLACEMENT
)
Page 3361 of 4500

140.INSTALL ENGINE UNDER COVER NO.2
141.INSTALL ENGINE UNDER COVER NO.1
142.INSTALL FRONT WHEEL
143.INSTALL AIR CLEANER ASSY
144.INSTALL INTAKE AIR CONNECTOR PIPE
145.INSTALL AIR CLEANER INLET NO.1
146.INSTALL V-BANK COVER
147.INSTALL HOOD SUB-ASSY (See ADJUSTMENT
and OVERHAUL )
148.CONNECT BATTERY NEGATIVE TERMINAL
149.ADD AUTOMATIC TRANSMISSION FLUID
150.ADD ENGINE COOLANT (See REPLACEMENT
)
151.ADD ENGINE OIL (See ON
-VEHICLE INSPECTION )
152.ADD POWER STEERING FLUID
153.BLEED POWER STEERING FLUID
154.INSPECT AUTOMATIC TRANSMISSION FLUID (See ADJUSTMENT
)
155.INSPECT ENGINE OIL LEAKS
156.CHECK FOR ENGINE COOLANT LEAKS
157.INSPECT FOR FUEL LEAKS
158.CHECK FOR EXHAUST GAS LEAKS
159.INSPECT AND ADJUST FRONT WHEEL ALIGNMENT
160.INSPECT IGNITION TIMING
161.INSPECT ENGINE IDLE SPEED
162.INSPECT CO/HC
163.ADJUST ENGINE (See INSPECTION
)
164.CHECK ABS SPEED SENSOR SIGNAL (See TEST MODE PROCEDURE
)
OVERHAUL
1.REMOVE SPARK PLUG
2.REMOVE OIL FILLER CAP SUB-ASSY
3.REMOVE CYLINDER HEAD COVER SUB-ASSY LH
a. Remove the 9 bolts, 9 seal washers, cylinder head cover and gasket.
4.REMOVE CYLINDER HEAD COVER SUB-ASSY
a. Remove the 9 bolts, 9 seal washers, c
ylinder head cover and gasket.
Page 3556 of 4500

1.WORK FOR PREVENTING GASOLINE FROM SPILLING OUT (See PRECAUTION )
2.REMOVE CAMSHAFT (See REPLACEMENT
)
3.REMOVE THROTTLE BODY ASSY (See REPLACEMENT
)
4.REMOVE V-BANK COVER BRACKET NO.1
5.REMOVE V-BANK COVER BRACKET NO.2
6.REMOVE V-BANK COVER BRACKET NO.3
7.REMOVE V-VANK COVER BRACKET NO.4
8.REMOVE VACUUM SWITCHING VALVE ASSY
9.DISCONNECT FUEL PIPE SUB-ASSY NO.2 (See REPLACEMENT
)
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48005500030025005c[
-Pass Joint
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
10.REMOVE INTAKE MANIFOLD ASSY
a. Remove the 6 bolts, 4 nuts, upper and lower intake manifold assembl
y and 2 gaskets.
Page 3569 of 4500

Fig. 285: Installing Upper And Lower Intake Manifolds Assembly
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Install the upper and lower intake manifolds assembly with the 6 bolts and 4 nuts.
Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)
24.INSTALL FUEL PIPE SUB-ASSY NO.2 (See REPLACEMENT
)
25.INSTALL VACUUM SWITCHING VALVE ASSY
26.INSTALL V-VANK COVER BRACKET NO.4
27.INSTALL V-BANK COVER BRACKET NO.3
28.INSTALL V-BANK COVER BRACKET NO.2
29.INSTALL V-BANK COVER BRACKET NO.1
30.INSTALL THROTTLE BODY ASSY (See REPLACEMENT
)
31.INSTALL CAMSHAFT (See REPLACEMENT
)
Page 3570 of 4500

REPLACEMENT
1.WORK FOR PREVENTING GASOLINE FROM SPILLING OUT (See PRECAUTION
)
2.REMOVE NO.3 CAMSHAFT SUB-ASSY (See REPLACEMENT
)
3.REMOVE THROTTLE BODY ASSY (See REPLACEMENT
)
4.REMOVE V-BANK COVER BRACKET NO.1
5.REMOVE V-BANK COVER BRACKET NO.2
6.REMOVE V-BANK COVER BRACKET NO.3
7.REMOVE V-VANK COVER BRACKET NO.4
8.REMOVE VACUUM SWITCHING VALVE ASSY
9.DISCONNECT FUEL PIPE SUB-ASSY NO.2 (See REPLACEMENT
)
Page 3584 of 4500

Fig. 300: Installing Upper And Lower Intake Manifold Assembly
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
24.INSTALL FUEL PIPE SUB-ASSY NO.2 (See REPLACEMENT
)
25.INSTALL VACUUM SWITCHING VALVE ASSY
26.INSTALL V-VANK COVER BRACKET NO.4
27.INSTALL V-BANK COVER BRACKET NO.3
28.INSTALL V-BANK COVER BRACKET NO.2
29.INSTALL V-BANK COVER BRACKET NO.1
30.INSTALL THROTTLE BODY ASSY (See REPLACEMENT
)
31.INSTALL NO.3 CAMSHAFT SUB-ASSY (See REPLACEMENT
)
REPLACEMENT
Page 3816 of 4500

Fig. 31: Removing 3 Bolts And Tool Box
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
5.REMOVE FUEL LID LOCK CONTROL ASSY
a. Remove the nut.
Page 3817 of 4500

Fig. 32: Removing Fuel Lid Lock Control Nut
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Disconnect the connector.
c. Remove the nut and control.
Page 3818 of 4500

Fig. 33: Removing Nut And Control
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
6.INSTALL FUEL LID LOCK CONTROL ASSY
a. Install the control with the nut.
Torque: 8.0 N.m (82 kgf.cm, 71 in.lbf)