2003 LEXUS LS430 engine

Fig. 48: Identifying Knock Sensor Connectors
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
64.REMOVE ENGINE HANGER NO.1
65.REMOVE ENGINE HANGER NO.2
66.REMOVE IGNITION COIL ASSY
67.REMOVE OIL FILTER BRACKET SUB-ASSY
a. Disconnect the oil pressure switch connector.
b. Remove the stud bolt, 2 nuts and oil filter bracket with gasket.
68.REMOVE CRANKSHAFT POSITION SENSOR
69.REMOVE ENGINE OIL LEVEL SENSOR
70.REMOVE EXHAUST MANIFOLD HEAT INSULATOR NO.1
71.REMOVE EXHAUST MANIFOLD SUB-ASSY RH
a. Remove the 8 nuts, exhaust manifold and
gasket.

Fig. 52: Measuring Surface
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
76.REMOVE WIRING HARNESS HEAT INSULATOR NO.2
77.REMOVE ENGINE MOUNTING BRACKET FRONT NO.1 RH
78.REMOVE ENGINE MOUNTING BRACKET FRONT NO.1 LH
79.INSTALL ENGINE MOUNTING BRACKET FRONT NO.1 LH
a. Install the mounting bracket with the 4 bolts.
Torque: 36 N.m (367 kgf.cm, 27 ft.lbf)
HINT:
The LH mountin
g bracket is marked with "L".

Fig. 53: Installing Engine Mounting Bracket Front No.1 LH
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
80.INSTALL ENGINE MOUNTING BRACKET FRONT NO.1 RH
a. Install the mounting bracket with the 4 bolts.
Torque: 36 N.m (367 kgf.cm, 27 ft.lbf)
HINT:
The RH mountin
g bracket is marked with "R".

Fig. 58: Installing Exhaust Manifold
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
85.INSTALL EXHAUST MANIFOLD HEAT INSULATOR NO.1
86.INSTALL ENGINE OIL LEVEL SENSOR
87.INSTALL CRANKSHAFT POSITION SENSOR (See REPLACEMENT
)
88.INSTALL OIL FILTER BRACKET SUB-ASSY
Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)
89.INSTALL IGNITION COIL ASSY
Torque: 7.5 N.m (77 kgf.cm, 66 in.lbf)
90.INSTALL ENGINE HANGER NO.2
Torque: 37 N.m (377 kgf.cm, 27 ft.lbf)
91.INSTALL ENGINE HANGER NO. 1
Torque: 37 N.m (377 kgf.cm, 27 ft.lbf)
92.INSTALL KNOCK SENSOR
a. Install the 2 knock sensors with the 2 nuts, as shown in the illustration.
Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)
b. Connect the 2 knock sensor connectors.

Fig. 64: Installing Intake Manifold Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Install the engine wire protector (rear side) with the 2 bolts.
e. Install the engine wire protector (LH side) with the 4 bolts.
f. Install the 2 wire clamps on the en
gine wire (RH side) to the brackets on the RH delivery pipe.

Fig. 65: Installing Engine Wire Protector (Rear Side)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
g. Install the V-bank cover fastener with the bolt.
Torque: 7.5 N.m (77 kgf.cm, 66 in.lbf)
h. Install the V-bank cover bracket No. 1 with the bolt.
Torque: 7.5 N.m (77 kgf.cm, 66 in.lbf)
i. Connect the VSV connector for ACIS.
Fig. 66: Connecting VSV Connector For ACIS

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
j. Install the V-bank cover bracket No. 3 with the bolt.
Torque: 7.5 N.m (77 kgf.cm, 66 in.lbf)
k. Install the V-bank cover bracket No. 2 with the bolt.
Torque: 7.5 N.m (77 kgf.cm, 66 in.lbf)
l. Connect the VSV for EVAP to the intake manifold with the bolt.
Torque: 7.5 N.m (77 kgf.cm, 66 in.lbf)
m. Connect the EVAP hose to the VSV for EVAP.

n. Connect the VSV connector for EVAP.
Fig. 67: Identifying VSV Connector For EVAP

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
104.INSTALL THROTTLE BODY ASSY (See REPLACEMENT
)
105.REMOVE ENGINE STAND
106.INSTALL DRIVE PLATE & RING GEAR SUB-ASSY
HINT:
The mounting bolts are tightened in 2 progressive steps (step (c) and (e)).
If any one of the mounting bolts is broken or deformed, replace it.
a. Apply adhesive to 2 or 3 threads of the mounting bolt end.
Adhesive:
Part No. 08833-00070, THREE BOND 1324 or equivalent

Fig. 70: Identifying Painted Mark
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
107.INSTALL AUTOMATIC TRANSMISSION ASSY
a. Check the torque converter clutch installation (see INSPECTION
).
b. Attach the transmission to the engine.
c. Install the ground strap and 10 bolts.
Torque:
72 N.m (734 kgf.cm, 53 ft.lbf) for 17 mm head bolt A
37 N.m (377 kgf.cm, 27 ft.lbf) for 14 mm head bolt B