LEXUS LS430 2003 Factory Repair Manual

Fig. 297: Applying Seal Packing To Sealing Groove
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 298: Installing Water By-Pass Joint RR
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
21.INSTALL WATER INLET HOUSING
a. Install a new O-ring to the inlet housing.
b. Apply soapy water to the O-ring.
c. Apply seal packing to the sealing groove of the inlet housing as shown in the illustration.
Seal packing: Part No. 08826-00100 or equivalent
<002c0051005600570044004f004f00030044000300510052005d005d004f004800030057004b004400570003004b00440056000300450048004800510003004600580057000300570052000300440003001500030057005200030016000300500050000300
0b001300110013001b00030057005200030013001100140015[ in.) opening.
Parts must be assembled within 3 minutes of application. Otherwise the material must be
removed and reapplied.
Install the water inlet and housing assembly with the 2 bolts. Alternately tighten the bolts.
Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)
22.INSTALL WATER BYPASS JOINT RR
a. Install 2 new gaskets and the water bypass joint with the 4 nuts. Alternately tighten the nuts.
Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)
23.INSTALL INTAKE MANIFOLD ASSY
a. Place 2 new gaskets on the cylinder heads with the white mark facing outward.

Fig. 299: Placing Gaskets On Cylinder Heads
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Install the upper and lower intake manifold assembly with the 6 bolts and 4 nuts.
Torque: 18 N.m (184 kgf.cm, 13 ft.lbf)

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

1.REMOVE TIMING BELT (See REPLACEMENT )
2.REMOVE CRANKSHAFT TIMING PULLEY
a. Using SST, remove the timing pulley.
Fig. 301: Removing Timing Pulley Using SST

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
SST 09950-50013 (09951-05010, 09952-05010, 09953-05010, 09953-05020, 09954-05021)
3.REMOVE OIL PUMP SEAL
a. Using a knife, cut the oil seal lip.
b. Using a screwdriver with its tip taped, pry out the oil seal.
c. After the removal, check if the crankshaft is not damaged.

Fig. 302: Removing Oil Pump Seal
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4.INSTALL OIL PUMP SEAL
a. Apply MP grease to a new oil seal lip.
b. Using SST and a hammer, tap in the oil seal until its surface is flush with the oil pump edge.
SST 09316-6001 1 (09316-00011)

Fig. 303: Taping In Oil Seal Using SST And A Hammer
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
5.INSTALL CRANKSHAFT TIMING PULLEY
a. Align the timing pulley set key with the key groove of the pulley.
b. Face the timing pulley's flange side inward. Using SST and a hammer, tap in the timing pulley.
SST 09223-4601 1

Fig. 304: Aligning Timing Pulley Setting Key With Key Groove
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
6.INSTALL TIMING BELT (See REPLACEMENT
)
REPLACEMENT
1.REMOVE AUTOMATIC TRANSMISSION ASSY (See REPLACEMENT
)
2.REMOVE DRIVE PLATE & RING GEAR SUB-ASSY
a. Using SST, hold the crankshaft damper.
SST 09213-7001 1, 09330-00021

Fig. 305: Removing Drive Plate And Ring Gear And The Front Spacer
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Remove the 8 mounting bolts, the rear spacer, the drive plate and ring gear and the front spacer.
3.REMOVE ENGINE REAR OIL SEAL
a. Using a knife, cut the oil seal lip.
b. Using a screwdriver with its tip taped, pry out the oil seal.
c. After the removal, check if the crankshaft is not damaged.

Fig. 306: Removing Rear Oil Seal Using Screwdriver
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
4.INSTALL ENGINE REAR OIL SEAL
a. Apply MP grease to a new oil seal lip.
b. Using SST and a hammer, tap in the oil seal until its surface is flush with the rear oil seal retainer
edge.