2003 LEXUS LS430 oil filter

INSPECTION
1.INSPECT ENGINE COOLANT (See REPLACEMENT
)
2.INSPECT ENGINE OIL (See ON
-VEHICLE INSPECTION )
3.INSPECT BATTERY (See REPLACEMENT
)
4.INSPECT AIR CLEANER FILTER ELEMENT SUB-ASSY
5.INSPECT SPARK PLUG (See REPLACEMENT
)
6.INSPECT FAN AND GENERATOR V BELT
HINT:
Use of the automatic tensioner has made tension and flexibility measurements unnecessary.
a. Check that the indicator mark on the automatic tensioner is within range A as shown in the
illustration.
b. When the mark is out of the standard range, replace the V belt with a new one.

Fig. 38: Lifting Engine Out Of Vehicle
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
43.DISCONNECT ENGINE WIRE
a. Disconnect the engine wire from the transmission.
1. Disconnect the VSV connector.
2. Disconnect the PNP switch connector.
3. Disconnect the solenoid connector.
4. Disconnect the direct clutch speed sensor connector.
5. Disconnect the engine wire from the 3 wire clamps.
6. Disconnect the oil level sensor connector.
44.REMOVE TRANSMISSION OIL FILTER TUBE SUB-ASSY
45.REMOVE OIL COOLER OUTLET TUBE NO.1
46.REMOVE OIL COOLER INLET TUBE NO.1
47.REMOVE AUTOMATIC TRANSMISSION ASSY
a. Remove the torque converter clutch bolts.
1. Remove the 2 bolts and fl
ywheel housing under cover.

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. 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. 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

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55[
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4. Uniformly loosen the 22 bearing cap bolts in several passes in the sequence shown in the
illustration.
5. Remove the 22 bearing cap bolts, 4 seal washers, oil feed pipe, 9 bearing caps, camshaft housing
plug, oil control valve filter and 2 camshafts.
25.REMOVE NO.3 CAMSHAFT SUB-ASSY

Fig. 103: Aligning Timing Mark Of Camshaft Drive Gear
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4. Uniformly loosen the 22 bearing cap bolts in several passes in the sequence shown in the
illustration.
5. Remove the 22 bearing cap bolts, 4 seal washers, oil feed pipe, 9 bearing caps, camshaft housing
plug, oil control valve filter and 2 camshafts.

Fig. 147: Applying Seal Packing To Housing Plug
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
5. Install the camshaft housing plug to the cylinder head as shown in the illustration.
6. Install the oil control valve filter to the cylinder head.