2003 LEXUS LS430 Intake manifold

Fig. 271: Removing Upper And Lower Intake Manifold Assembly
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
13.INSTALL CAMSHAFT TIMING PULLEY SUB-ASSY LH
a. Align the camshaft timing tube knock pin with the knock pin groove of the timing pulley.
b. Attach the timing pulley to the camshaft timing tube. Face the timing pulley's "L" mark forward.
c. Hold the hexagon wrench head portion of the camshaft, and install the 4 pulley bolts.
Torque: 7.5 N.m (77 kgf.cm, 66 in..lbf)
14.INSTALL CYLINDER HEAD COVER SUB-ASSY LH (See REPLACEMENT
)
15.INSTALL TIMING BELT (See REPLACEMENT
)
REPLACEMENT

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.

Fig. 284: Placing Gaskets On Cylinder Heads
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
23.INSTALL INTAKE MANIFOLD ASSY
a. Place 2 new gaskets on the cylinder heads with the white mark facing outward.

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
)

Fig. 286: Removing Upper And Lower Intake Manifold Assembly
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 assembly and 2 gaskets.
11.REMOVE WATER BYPASS JOINT RR
a. Disconnect the heater inlet hose from the water bypass joint.
b. Remove the 4 nuts, water bypass joint and 2 gaskets.
Fig. 287: Disconnecting Heater Inlet Hose From Water By
-Pass Joint
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
12.REMOVE WATER INLET HOUSING
a. Remove the 2 bolts and inlet housing.
13.REMOVE WATER BYPASS JOINT FR
a. Disconnect the ECT sensor connector.
b. Remove the 4 nuts, water bypass joint and 2 gaskets.

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