2003 LEXUS LS430 engine

Fig. 72: Identifying Torque Converter Clutch Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
108.INSTALL OIL COOLER INLET TUBE NO.1
109.INSTALL OIL COOLER OUTLET TUBE NO.1
110.INSTALL TRANSMISSION OIL FILTER TUBE SUB-ASSY
111.CONNECT ENGINE WIRE
a. Connect the engine wire to the transmission.
1. Connect the VSV connector.
2. Connect the PNP switch connector.
3. Connect the solenoid connector.
4. Connect the direct clutch speed sensor connector.
5. Connect the engine wire from the 3 wire clamps.
6. Connect the oil level sensor connector.
112.INSTALL ENGINE W/ TRANSMISSION ASSEMBLY
a. Attach the engine chain hoist to the engine hangers.
b. Slowly lower the engine and transmission assembly into the engine compartment.
c. Insert the stud bolts of the front en
gine mounting brackets into the stud bolt holes of the front

suspension crossmember.
Fig. 73: Installing Engine W/ Transmission Assembly

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Keep the engine level.

Fig. 74: Keeping Engine Level
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
e. Install the rear engine mounting member with the 4 bolts and 4 nuts.
Torque:
25.5 N.m (260 kgf.cm, 19 ft.lbf) for bolt
13.5 N.m (138 kgf.cm, 10 ft.lbf) for nut

Fig. 75: Tightening Rear Engine Mounting Member And Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
f. Install the 4 nuts holding the engine mounting brackets to the front suspension crossmember.
Torque: 68 N.m (693 kgf.cm, 50 ft.lbf)
g. Install the 2 hole plugs.
h. Remove the engine chain hoist.
i. Install the V-
bank cover bracket No. 1 to the engine hanger No. 2 with the nut.

Fig. 76: Identifying Engine Mounting Brackets
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
113.INSTALL POWER STEERING GEAR HOUSING ASSY
a. Connect the sliding yoke to the PS gear housing and intermediate shaft.
b. Install the PS gear housing with the 4 bolts.
Torque: 65 N.m (663 kgf.cm, 48 ft.lbf)
c. Install the 2 PS oil tubes with the bolts.

Fig. 79: Installing Cooler Compressor
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130.INSTALL VANE PUMP ASSY
a. Install the vane pump with the 2 bolts and nut. Alternately tighten the bolts and nut.
Torque:
39.2 N.m (400 kgf.cm, 29 ft.lbf) for bolt
43.1 N.m (440 kgf.cm, 32 ft.lbf) for nut
b. Connect the PS oil pressure switch connector.
c. Install the RH engine under cover with the 2 screws.
d. Connect the 2 PS air hoses to the vane pump.

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
)

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.