2003 LEXUS LS430 lock

Fig. 144: Tightening Cylinder Head Bolt
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Set the crankshaft position.
1. Using the crankshaft damper bolt, turn the crankshaft, and set the set key of the crankshaft to
90° counterclockwise from the timing mark (1 dot mark) of the oil pump body.

Fig. 154: Removing Service Bolt
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
a. Check the set key of the crankshaft is at the position of 90° counterclockwise from the timing mark
(1 dot mark) of the oil pump body.

Fig. 169: Aligning Timing Marks
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HINT:
Turn the camshaft timing pulleys slightly clockwise to make installation of the timing belt
easier.
Camshaft timing pulley of LH bank: 1/2 of a tooth
Camshaft timin
g pulley of RH bank: 1 tooth

Fig. 193: Checking Timing Marks
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
3. Using the crankshaft damper bolt, turn the crankshaft counterclockwise by approximately
50°.
With timing belt disengaged:
The crankshaft damper must be at the correct angle to avoid damage in later steps. If the
crankshaft pulley is at the wrong angle and then the camshaft timing pulley and the camshaft
are removed, the piston head and valve head may come in contact and be damaged.
c. Alternatel
y loosen the 2 bolts, and remove them, the belt tensioner and dust boot.

Fig. 194: Turning Crank-Shaft
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Using SST, loosen the tension between the camshaft timing pulley (RH bank) and crankshaft
timing pulley by slightly turning the camshaft timing pulley (RH bank) counterclockwise.
SST 09960-10010 (09962-01000, 09963-00350)

Fig. 197: Aligning Timing Marks Of Camshaft Timing Pulleys And Timing Belt Plates
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
HINT:
Turn the camshaft timing pulleys slightly clockwise to make installation of the timing belt easier.
Camshaft timing pulley of LH bank: 1/2 of a tooth
Camshaft timin
g pulley of RH bank: 1 tooth

46.INSTALL OIL COOLER OUTLET TUBE NO.1
47.INSTALL OIL COOLER INLET TUBE NO.
48.INSTALL AIR CLEANER INLET NO.1
Torque: 5.0 N.m (51 kgf.cm, 44 in.lbf)
49.INSTALL INTAKE AIR CONNECTOR PIPE
Torque: 5.0 N.m (51 kgf.cm, 44 in.lbf)
50.INSTALL V-BANK COVER
Torque: 5.0 N.m (51 kgf.cm, 44 in.lbf)
51.REFILL ENGINE COOLANT (See REPLACEMENT
)
52.CHECK FOR ENGINE COOLANT LEAKS (See ON
-VEHICLE INSPECTION )
53.INSTALL ENGINE UNDER COVER NO.1
54.CONNECT BATTERY NEGATIVE TERMINAL
REPLACEMENT
1.REMOVE TIMING BELT (See REPLACEMENT
)
2.REMOVE CYLINDER HEAD COVER SUB-ASSY (See REPLACEMENT
)
3.PISTON & VALVE BREAK PREVENT WORK
a. Turn the crankshaft timing pulley counterclockwise by 45° and match the cut part with the
illustrated position.
HINT:
When the No. 1 cylinder is positioned at 45° BTDC, the valve and piston do not interfere with each other
even when the valve is fully open.

Fig. 221: Mounting Hexagon Wrench Head Portion Of Camshaft In A Vise
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Using SST, turn the sub gear clockwise and remove the service bolt.
SST 09960-10010 (09962-01000, 09963-00500)