LEXUS LS430 2003 Factory Repair Manual

Seal packing: Part No. 08826-00080 or equivalent
Fig. 267: Pushing In Camshaft Oil Seal

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h. Install the front bearing cap.
HINT:
Installing the front bearing cap will determine the thrust portion of the camshaft.
i. Install the other bearin
g caps in the sequence shown with the arrow mark facing forward.

Fig. 268: Identifying Bearing Cap Bolts
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j. Push in the camshaft oil seal.

Fig. 269: Removing Service Bolt
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k. Install 4 new seal washers to the bearing cap bolts (1 to 4).
l. Apply a light coat of engine oil on the threads and under the heads of the bearing cap bolts (5 to
22).
m. Install the oil feed pipe and the 22 bearing cap bolts.
n. Uniformly tighten the 22 bearing cap bolts in several passes in the sequence shown in the
illustration.
Torque:
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15000c[
16 N.m (163 kgf.cm, 12 ft.lbf) for others

Fig. 270: Installing Camshaft Timing Pulley Sub-Assy LH
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o. Remove the service bolt.
12.INSTALL CAMSHAFT TIMING OIL CONTROL VALVE ASSY

Fig. 271: Removing Upper And Lower Intake Manifold Assembly
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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&#39;s &#34;L&#34; 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
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10.REMOVE INTAKE MANIFOLD ASSY
a. Remove the 6 bolts, 4 nuts, upper and lower intake manifold assembl
y and 2 gaskets.

Fig. 273: Removing Water By-Pass Joint RR
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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.
12.REMOVE WATER INLET HOUSING
a. Remove the 2 bolts and inlet housin
g.

Fig. 274: Removing Cylinder Head Sub-Assy
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13.REMOVE WATER BYPASS JOINT FR
a. Disconnect the ECT sensor connector.
b. Remove the 4 nuts, water bypass joint and 2 gaskets.
14.REMOVE W/CATALYST CONVERTER ASSY

Fig. 275: Identifying Cylinder Head Bolts
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15.REMOVE CYLINDER HEAD SUB-ASSY
a. Remove the bolt, and disconnect the wire clamp bracket on the engine wire from the camshaft
bearing cap.
b. Remove the EVAP from the cylinder head cover sub-assy.
c. Remove the 9 bolts, 9 seal washers, c
ylinder head cover sub-assy and gasket.

Fig. 276: Removing Cylinder Head Gasket
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d. Uniformly loosen and remove the 10 cylinder head bolts and plate washers in the sequence shown
in the illustration.
e. Remove the cylinder head together with the RH manifold.
16.REMOVE CYLINDER HEAD GASKET