2003 LEXUS LS430 replacement

OVERHAUL
HINT:
See COMPONENTS

1.REMOVE REAR WHEEL
2.REMOVE EXHAUST PIPE ASSY (SEE REPLACEMENT
)
3.REMOVE FRONT FLOOR HEAT INSULATOR NO.1 (SEE OVERHAUL
)
4.REMOVE PROPELLER SHAFT HEAT INSULATOR (SEE OVERHAUL
)
5.REMOVE PROPELLER W/CENTER BEARING SHAFT ASSY (SEE OVERHAUL
)
6.REMOVE REAR DIFFERENTIAL FILLER PLUG
a. Using a hexagon wrench (10 mm), remove the filler plug and gasket.
7.REMOVE REAR DIFFERENTIAL DRAIN PLUG
a. Using a hexagon wrench (10 mm), remove the drain plug and gasket.
b. Drain the differential oil.
8.REMOVE REAR DRIVE SHAFT ASSY LH (SEE REPLACEMENT
)
9.REMOVE REAR DRIVE SHAFT ASSY RH
HINT:
Removal procedure of the RH side is the same as that of the LH side.
10.REMOVE STABILIZER BAR REAR (SEE REPLACEMENT
)
HINT:
Perform this procedure only when the rear differential mount cushion should be changed.
11.REMOVE HEIGHT CONTROL VALVE SUB-ASSY NO.2 (W/ AIR SUSPENSION) (SEE
REPLACEMENT
)
HINT:
Perform this procedure only when the rear differential mount cushion should be changed.
12.REMOVE DIFFERENTIAL CARRIER ASSY REAR
a. Support the differential carrier with a jack and wooden block.

Fig. 136: Installing Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
63.INSTALL HEIGHT CONTROL VALVE SUB-ASSY NO.2 (W/ AIR SUSPENSION) (SEE
REPLACEMENT
)
HINT:
Perform this operation only when the rear differential mount cushion is replaced.
64.INSTALL STABILIZER BAR REAR (SEE REPLACEMENT
)
HINT:
Perform this operation only when the rear differential mount cushion is replaced.
65.INSTALL REAR DIFFERENTIAL DRAIN PLUG
a. Using a hexagon wrench (10 mm), install the drain plug with a new gasket.
Torque: 49 N.m (500 kgf.cm, 36 ft.lbf)
66.ADD DIFFERENTIAL OIL

a. Fill the rear differential carrier assy with differential gear oil equivalent.
Oil type: Differential synthetic gear oil GL-5 75W-90 or equivalent
Capacity: 1.35 +/- 0.05 liters (1.43 +/- 0.05 US qts, 1.19 +/- 0.04 Imp. qts)
67.INSPECT DIFFERENTIAL OIL (SEE ADJUSTMENT
)
68.INSTALL REAR DIFFERENTIAL FILLER PLUG
a. Using a hexagon wrench (10 mm), install the filler plug with a new gasket.
Torque: 49 N.m (500 kgf.cm, 36 ft.lbf)
69.INSTALL REAR DRIVE SHAFT ASSY LH (SEE REPLACEMENT
)
70.INSTALL REAR DRIVE SHAFT ASSY RH
HINT:
Installation procedure of the RH side is the same as that of the LH side.
71.INSTALL FRONT FLOOR HEAT INSULATOR NO.1
a. Install the front floor heat insulator No.1 with the 4 bolts.
Torque: 5.4 N.m (55 kgf.cm, 48 in..lbf)
72.INSTALL REAR WHEEL
a. Install the rear wheel with the 5 nuts.
Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)
73. Install the ornament with the 10 bolts.
Torque: 20 N.m (204 kgf.cm, 15 ft.lbf)
74.INSTALL PROPELLER W/CENTER BEARING SHAFT ASSY (SEE OVERHAUL
)
75.FULLY TIGHTEN CENTER SUPPORT BEARING ASSY NO.1 (SEE OVERHAUL
)
SST 09922-10010
76.INSPECT AND ADJUST NO.2 AND NO.3 JOINT ANGLE (SEE OVERHAUL
)
77.INSTALL PROPELLER SHAFT HEAT INSULATOR (SEE OVERHAUL
)
78.INSTALL EXHAUST PIPE ASSY (SEE REPLACEMENT
)
79.INSTALL OXYGEN SENSOR (SEE REPLACEMENT
)
80.INSPECT AND ADJUST REAR WHEEL ALIGNMENT (SEE ADJUSTMENT
)
81.ADJUST VEHICLE HEIGHT (W/ AIR SUSPENSION) (SEE ON
-VEHICLE INSPECTION )
82.INSPECT HEADLIGHT AIM ONLY (SEE ADJUSTMENT
)
83.CHECK ABS SPEED SENSOR SIGNAL (SEE TEST MODE PROCEDURE
)
84.INSPECT AIR LEAK (W/ AIR SUSPENSION) (SEE REPLACEMENT
)
HINT:
Perform this operation onl
y when the rear differential mount cushion is replaced.

HINT:
See COMPONENTS

1.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO. 2
2.REMOVE INSTRUMENT PANEL GARNISH SUB-ASSY LH (See step 22 on REPLACEMENT
)
3.REMOVE INSTRUMENT PANEL FINISH PANEL (See step 26 on REPLACEMENT
)
4.REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO. 1 (See step 16 on
REPLACEMENT
)
5.REMOVE INSTRUMENT PANEL SAFETY PAD SUB-ASSY NO. 1 (See step 19 on
REPLACEMENT
)
6.REMOVE CONSOLE PANEL SUB-ASSY UPPER (See step 38 on REPLACEMENT
)
7.REMOVE CONSOLE UPPER REAR PANEL SUB-ASSY (See step 39 on REPLACEMENT
)
8.REMOVE CONSOLE BOX CARPET (See step 40 on REPLACEMENT
)
9.REMOVE REAR CONSOLE ARMREST ASSY (See step 41 on REPLACEMENT
)
10.REMOVE INSTRUMENT PANEL FINISH PANEL LOWER CENTER (See step 26 on
REPLACEMENT
)
11.REMOVE INSTRUMENT CLUSTER FINISH PANEL SUB-ASSY CENTER (See step 31 on
REPLACEMENT
)
12.REMOVE CONSOLE BOX (See step 42 on REPLACEMENT
)
13.SEPARATE OXYGEN SENSOR (See REPLACEMENT
)
14.REMOVE EXHAUST PIPE ASSY
a. Remove the 4 bolts, nuts and 2 gaskets from the exhaust manifold.
b. Remove the exhaust pipe assy.
15.REMOVE FRONT FLOOR HEAT INSULATOR NO. 1
a. Remove the 4 bolts and heat insulator No. 1.
16.REMOVE PROPELLER SHAFT HEAT INSULATOR
a. Remove the 2 bolts and heat insulator.
17.REMOVE PROPELLER W/CENTER BEARING SHAFT ASSY
a. Using SST, loosen the adjusting nut until it can be turned by hand.
SST 09922-10010
HINT:
Use 2 of the same t
ype of SST.

Fig. 47: Installing Heat Insulator No. 1 Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
33.INSTALL EXHAUST PIPE ASSY (See step 7 on REPLACEMENT
)
34.INSTALL OXYGEN SENSOR (See step 8 on REPLACEMENT
)
35.CHECK FOR EXHAUST GAS LEAKS
REPLACEMENT
HINT:
See COMPONENTS
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1.REMOVE FRONT WHEELS
2.SEPARATE SKID CONTROL SENSOR WIRE
a. Disconnect the connector.

Fig. 49: Removing Front Axle Hub Sub-Assy LH Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
6.REMOVE SKID CONTROL SENSOR FRONT (See step 6 on REPLACEMENT
)
SST 09520-00031, 09950-00020
7.INSTALL SKID CONTROL SENSOR FRONT (See step 7 on REPLACEMENT
)
SST 09214-76011
8.INSTALL FRONT AXLE HUB SUB-ASSY LH
a. Install the axle hub sub-assy LH with the 4 bolts.
Torque: 69 N.m (700 kgf.cm, 51 ft.lbf)

Fig. 51: Installing Disc Brake Caliper Bolts
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
13.INSTALL SKID CONTROL SENSOR WIRE
a. Connect the connector.
14.INSTALL FRONT WHEELS
Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)
15.INSPECT AND ADJUST FRONT WHEEL ALIGNMENT (See ADJUSTMENT
)
16.CHECK ABS SPEED SENSOR SIGNAL (See TEST MODE PROCEDURE
)
REPLACEMENT
HINT:

See COMPONENTS
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1.REMOVE FRONT WHEELS
2.REMOVE FRONT DISC BRAKE CALIPER ASSY LH (See REPLACEMENT
)
3.REMOVE FRONT DISC (See OVERHAUL
)
4.SEPARATE SKID CONTROL SENSOR WIRE
a. Remove the bolt and separate the speed sensor from the steering knuckle.
b. Disconnect the connector.