LEXUS LS430 2003 Factory Repair Manual

Fig. 198: Turning Camshaft Timing Pulleys
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2. Using the crankshaft damper bolt, turn the crankshaft to align the timing marks of the crankshaft
timin
g pulley and oil pump body.

Fig. 199: Turning Crankshaft To Aligning Timing Marks
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3. Remove any oil or water on each pulley. Keep them clean.
4. Face the front mark (arrow) on the belt forward.
5. Connect the belt to the crankshaft timing pulley. Align the installation mark on the belt with the
timing mark of the crankshaft timing pulley.
6. Connect the belt to the idler No. 2.
7. Connect the belt to the camshaft timing pulley (LH bank).
Align the installation mark on the belt with the timing mark of the camshaft timing pulley.
8. Connect the belt to the water pump pulley.
9. Connect the belt to the camshaft timing pulley (RH bank).
Align the installation mark on the belt with the timing mark of the camshaft timing pulley.

10. Connect the timing belt to the idler No.1.
Fig. 200: Aligning Timing Marks Of Crankshaft Timing Pulley And Oil Pump Body

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29. Set the belt tensioner.
1. Using a press, slowly press in the push rod using 981 to 9,807 N (100 to 1,000 kgf, 220 to 2,205
lbf) of pressure.
2. Align the holes of the push rod and housing. Pass a 1.27 mm hexagon wrench through the holes to
keep the setting position of the push rod.
3. Release the press.
4. Install the dust boot to the belt tensioner.

Fig. 201: Aligning Holes Of Using Hexagon Wrench
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30. Install the belt tensioner.
1. Temporarily install the belt tensioner with the 2 bolts.
2. Alternately tighten the 2 bolts.
Torque: 26 N.m (265 kgf.cm, 19 ft.lbf)
3. Usin
g pliers, remove the 1.27 mm hexagon wrench from the belt tensioner.

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31. Check the valve timing.
1. Using the crankshaft damper bolt, slowly turn the crankshaft timing pulley 2 revolutions from TDC
to TDC.

Fig. 203: Turning Crankshaft Timing Pulley
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
2. Check that each pulley aligns with the timing marks as shown in the illustration.
If the timing marks do not align, remove the belt and reinstall it.
3. Remove the crankshaft damper bolt.

Fig. 204: Checking Pulley Aligning Timing Marks
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32.INSTALL CRANKSHAFT POSITION SENSOR PLATE
a. Install the crankshaft position sensor plate as shown in the illustration.

Fig. 205: Installing Crankshaft Position Sensor Plate
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
33.INSTALL TIMING BELT NO.1 COVER
a. Install the timing belt cover with the 4 bolts.
Torque: 7.5 N.m (76.5 kgf.cm, 66 in..lbf)
34.INSTALL CRANKSHAFT DAMPER SUB-ASSY
a. Using SST and a hammer, tap in the damper.
SST 09223-4601 1

Fig. 206: Taping Damper Using SST And Hammer
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Using SST, install the damper bolt.
SST 09213-7001 1, 09330-00021
Torque: 245 N.m (2,500 kgf.cm, 181 ft.lbf)
c. Ali
gn the pulley set key with the key groove of the crankshaft damper.

Fig. 207: Installing Damper Bolt Using SST
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
35.INSTALL IDLER PULLEY ASSY
a. Install the idler with the 2 bolts and 2 nuts.
Torque:
32 N.m (326 kgf.cm, 24 ft.lbf) for 14 mm head bolt A
16 N.m (163 kgf.cm, 12 ft.lbf) for 12 mm head bolt B