LEXUS LS430 2003 Factory Repair Manual

Fig. 111: Installing Rear Differential Carrier Oil Seal
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Oil seal drive in depth: 0 +/- 0.5 mm (0 +/- 0.020 in.)
SST 09316-6001 1 (09316-00011), 09710-04101
r.INSTALL REAR DRIVE PINION COMPANION FLANGE SUB-ASSY REAR
a. Using SST, install the companion flange to the differential carrier ASSY.
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16001300140013000f00030013001c001c0018001900100013[3060, 09955-
03040)
b. Apply hypoid gear oil LSD to the threads of a new nut.

Fig. 112: Installing Companion Flange To Differential Carrier Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
c. Using SST, hold the flange and tighten the nut while observing the preload with SST and
torque wrench.
SST 09229-55010, 09330-00021
Torque: 98 N.m to 490 N.m
(1000 kgf.cm to 5,000 kgf.cm, 72 ft.lbf to 361 ft.lbf)
HINT:
Tighten the nut using approximately 98 N.m (1,000 kgf.cm) of force and then tighten it further
while observin
g the preload.

Fig. 113: Checking Rear Drive Pinion Companion Flange Sub-Assy Rear Preload
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
s.INSTALL REAR DIFFERENTIAL CASE SUB-ASSY
a. Insert the differential case from the ring gear tooth side to install.

Fig. 114: Installing Rear Differential Case Sub-Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
t.INSTALL REAR DIFFERENTIAL CASE BEARING
a. Using SST and a hammer, install the drive pinion side outer race.
SST 09608-32010, 09950-70010 (09951-07200)
HINT:
Tap in the outer race until half of the side gear shaft snap ring groove of the differential
carrier can be seen.

Fig. 115: Installing Drive Pinion Side Outer Race
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Place the SST to the differential carrier.
SST 09571-50010
c. Ti
ghten the SST bolt until the SST disc lightly touches to the case bearing (outer race).

Fig. 116: Placing SST To Differential Carrier
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Using SST and a hammer, install the ring gear side outer race.
SST 09950-70010 (09951-07200), 09608-32010
HINT:
Tap in the outer race until it touches the case bearin
g roller.

Fig. 117: Installing Ring Gear Side Outer Race
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
52.INSTALL REAR DIFFERENTIAL SIDE GEAR SHAFT SNAP RING
a. Using snap ring pliers, install the side gear shaft snap ring in the differential carrier on the ring gear
side.
HINT:
Use the side
gear shaft snap ring installed when performing tooth contact adjustment.

Fig. 118: Installing Side Gear Shaft Snap Ring In Differential Carrier On Ring Gear Side
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
b. Set a dial indicator on the differential carrier.
c. Tighten the SST bolt to alter the differential carrier's shape.
Shaped limit: 0.20 mm (0.0079 in.)

Fig. 119: Setting Dial Indicator On Differential Carrier
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
d. Using snap ring pliers, install the side gear shaft snap ring on the drive pinion side.
HINT:
Use the side gear shaft snap ring installed at tooth contact adjustment.

Fig. 120: Installing Side Gear Shaft Snap Ring On Drive Pinion Side
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
e. Remove the dial indicator, tap the differential carrier on the drive pinion side using a plastic
hammer to stabilize the case bearin
g.