2003 LEXUS LS430 differential

Fig. 134: Identifying Rear Differential Mount Direction Mark
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Support the rear differential carrier assembly with a jack and wooden block.
c. Temporally install the lower mount stoppers and 2 new front side set bolts.

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.

Fig. 12: Identifying Matchmarks On Transmission Companion Flange And Flexible Coupling
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Place matchmarks on the differential companion flange and flexible coupling.
e. Remove the 3 bolts from the differential side.

Fig. 13: Identifying Matchmarks On Differential Companion Flange And Flexible Coupling
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
f. Remove the 2 bolts and adjusting washers.
HINT:
Some vehicles are not equipped with adjusting washers.

Fig. 14: Removing Bolts And Adjusting Washers
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
g. Push the rear propeller shaft straight forward to compress the propeller shaft and pull out the
propeller shaft from the centering pin of the differential.
h. Pull the propeller shaft outward from the vehicle's rear.

Fig. 15: Removing Propeller Shaft From Centering Pin Of Differential
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
18.INSPECT FLEXIBLE COUPLING
a. Check for cracks in or damage to the front and rear flexible couplings.
b. Inspect the flexible coupling centering bushing.
HINT:
If the bushin
g is damaged, replace the propeller shaft assembly.

Fig. 34: Applying Grease To Flexible Coupling Centering Bushing
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Install the propeller shaft from the vehicle's rear and connect the transmission and differential.
c. Temporaril
y install the 2 center support bearing set bolts with the adjusting washers.