2003 LEXUS LS430 torque

Fig. 211: Connecting Water By-Pass Hoses
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
39.INSTALL TIMING CHAIN OR BELT COVER NO.2
a. Install the gasket to the cover.
b. Install the cover with the cap nut and 3 bolts.
Torque: 7.5 N.m (77 kgf.cm, 66 in.lbf)
c. Install the 2 PS air hoses to the clamp on the cover.

Fig. 212: Installing Cover With Cap Nut And Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
40.INSTALL COMPRESSOR AND MAGNETIC CLUTCH
a. Install the cooler compressor, stay and wire bracket with the 3 bolts and nut.
Torque:
49 N.m (500 kgf.cm, 36ft.lbf) for bolt
29 N.m (296 kgf.cm, 21 ft.lbf) for nut
41.INSTALL GENERATOR ASSY (See REPLACEMENT
)
42.INSTALL VANE PUMP ASSY
a. Install the pump with the 2 bolts and nut. Alternately tighten the bolts and nut.
Torque:
39.2 N.m (400 kgf.cm, 29 ft.lbf) for bolt
43.1 N.m (440 kgf.cm, 32 ft.lbf) for nut
43.INSTALL FAN AND GENERATOR V BELT (See REPLACEMENT
)
44.INSTALL RADIATOR ASSY (See REPLACEMENT
)
45.INSTALL AIR CLEANER ASSY
Torque: 5.0 N.m (51 kgf.cm, 44 in.lbf)

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. 229: Installing Camshaft Timing Tube Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Align the timing tube knock pin with the knock pin groove of the drive gear, and temporarily install
the drive gear with the 4 bolts.
c. Using SST and a 5 mm hexagon wrench, uniformly tighten the 4 bolts in several passes.
SST 09960-10010 (09962-01000, 09963-00500)
Torque: 7.5 N.m (77 kgf.cm, 66 in.lbf)
d. Mount the hexagon wrench head portion of the camshaft in a vise.

Fig. 231: Mounting Hexagon Wrench Head Portion Of Camshaft In Vise
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
e. Align the camshaft knock pin with the knock pin groove of the timing tube, and push the timing
tube by hand until it touches the bottom.
f. Using a 10 mm hexagon wrench, install the bolt.
Torque: 78 N.m (795 kgf.cm, 58 ft.lbf)
g. Install the seal washer and screw plug.
Torque: 15 N.m (153 kgf.cm, 11 ft.lbf)
11.INSTALL CAMSHAFT

Fig. 239: Identifying Bearing Cap Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
11. Install 4 new seal washers to the bearing cap bolts (1 to 4).
12. Apply a light coat of engine oil on the threads and under the heads of the bearing cap bolts (5 to
22).
13. Install the oil feed pipe with the 22 bearing cap bolts.
14. Uniformly tighten the 22 bearing cap bolts in several passes in the sequence shown in the
illustration.
Torque:
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15[
16 N.m (163 kgf.cm, 12 ft.lbf) for others

Fig. 241: Installing Camshaft Timing Pulley
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
13.INSTALL CAMSHAFT TIMING PULLEY
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 "R" 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 (See REPLACEMENT
)
15.INSTALL TIMING BELT (See REPLACEMENT
)
REPLACEMENT
1.REMOVE TIMING BELT (See REPLACEMENT
)
2.REMOVE CYLINDER HEAD COVER SUB-ASSY LH (See REPLACEMENT
)

Fig. 260: Mounting Hexagon Wrench Head Portion Of Camshaft In Vise
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Align the timing tube knock pin with the knock pin groove of the drive gear, and temporarily install
the drive gear with the 4 bolts.
c. Using SST and a 5 mm hexagon wrench, uniformly tighten the 4 bolts in several passes.
SST 09960-10010 (09962-01000, 09963-00500)
Torque: 7.5 N.m (77 kgf.cm, 66 in..lbf)