Lexus SC300 / Lexus SC400. Manual - part 806

(d)  Remove the spacer from the drive pinion.

8. 

REMOVE OIL SEAL
Using SST, remove the oil seal.
SST 09308–00010

9. 

REMOVE OIL SLINGER AND FRONT BEARING

10.  REMOVE REAR BEARING FROM DRIVE PINION

Using SST and a press, remove the rear bearing from the
drive pinion.
SST 09950–00020

11.  REMOVE FRONT AND REAR BEARING OUTER RACES

AND ADJUSTING WASHER

NOTICE: Do not remove the outer race except when replacing

the bearings.

Using a brass bar and hammer, drive out the outer races and
adjusting washer from the differential carrier.
HINT: Measure the adjusting washer and note the thickness
for reassembly.

SA–90

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SUSPENSION AND AXLE

REAR DIFFERENTIAL

12.  REMOVE LH AND RH SNAP RING FROM SIDE GEAR

SHAFT
Using a screwdriver, remove the snap rings from the side
gear shaft.

13.  REMOVE SIDE BEARINGS

Using SST, remove the side bearings LH and RH from the dif-
ferential case.
SST 09950–20017

14.  REMOVE RING GEAR
(a)  Place matchmarks on the ring gear and differential case.
(b)  Remove the 10 ring gear set bolts.

(c)  Using a plastic hammer, tap on the ring gear to separate it

from the differential case.

15.  DISASSEMBLE DIFFERENTIAL CASE
(a)  Using a hammer and punch, drive out the straight pin.

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SUSPENSION AND AXLE

REAR DIFFERENTIAL

SA–91

(b)  Remove following parts from the differential case.

•

Pinion shaft

•

2 differential pinions

•

2 pinion thrust washers

•

2 side gears

•

2 side gears thrust washers

DUST DEFLECTOR AND DUST COVER
REPLACEMENT

SA0V5–01

1. 

REPLACE COMPANION FLANGE DUST DEFLECTOR

(a)  Using SST and a press, remove the dust deflector.

SST 09608–35014 (09608–06090), 09950–00020

(b)  Using SST and a press, install a new dust deflector.

SST 09316–60010 (09316–00010)

2. 

REPLACE SIDE GEAR SHAFT DUST COVER

(a)  Using SST and a press, remove the dust cover.

SST 09950–00020

(b)  Using SST and a press, install a new dust cover.

SST 09502–24010, 09608–35014 (09608–06020,

09608–06120)

SA–92

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SUSPENSION AND AXLE

REAR DIFFERENTIAL

HINT: If the dust cover does not fit tightly against the flange
of the side gear shaft, use a screwdriver to drive it down tight.

DIFFERENTIAL CARRIER ASSEMBLY

SA0V6–04

1. 

ADJUST DIFFERENTIAL PINION GEAR BACKLASH

(a)  Install the proper thrust washers on the side gears.

HINT: Using the table below, select thrust washers which will
ensure that the backlash is within specification.
Thrust washer thickness:

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Thickness mm (in.)

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ÑÑÑÑÑÑÑÑÑÑÑÑ

Thickness     mm (in.)

ÑÑÑÑÑÑÑÑÑÑÑÑ

ÑÑÑÑÑÑÑÑÑÑÑÑ

ÑÑÑÑÑÑÑÑÑÑÑÑ

1.6 (0.063)

1.8 (0.071)

ÑÑÑÑÑÑÑÑÑÑÑÑ

ÑÑÑÑÑÑÑÑÑÑÑÑ

1.7 (0.067)

–

(b)  Install the side gears, pinion gears, pinion gear thrust

washers and pinion shaft in the differential case.
HINT: Align the holes of the differential case and pinion shaft.

(c)  Push the side gear shafts gently into the differential case by

hand and install them.

(d)  Measure the pinion gear backlash while holding one side

gear toward the case.

Backlash:

0.05–0.20 mm (0.0020–0.0079 in.)

If the backlash is not within the specification, install the side
gear thrust washers with different thicknesses.

(e)  Remove the side gear shaft.

2. 

INSTALL RING GEAR ON DIFFERENTIAL CASE

(a)  Using a hammer and punch, install the straight pin through

the differential case and hole of the pinion shaft.

–

SUSPENSION AND AXLE

REAR DIFFERENTIAL

SA–93