Lexus GS300/400 (2000 year). Service manual — part 272

SA0R4–01

SA3213

D

A

B

C

Front

F03479

A

B

F02401

–

SUSPENSION AND AXLE

REAR WHEEL ALIGNMENT

SA–7

2007

REAR WHEEL ALIGNMENT

INSPECTION

1.

MEASURE VEHICLE HEIGHT (See page

SA–4

)

2.

INSTALL CAMBER–CASTER–KINGPIN GAUGE
ONTO WHEEL ALIGNMENT TESTER

Follow the specific instructions of the equipment manufacturer.
3.

INSPECT CAMBER

Camber

Left–right error

–0

°

47’

±

30’ (–0.78

°

±

0.5

°

)

30’ (0.5

°

) or less

4.

INSPECT TOE–IN

Toe–in

(total)

A + B: 0

°

08’

±

12’ (0.13

°

±

0.2

°

)

C – D: 1.4

±

2 mm (0.056

±

0.08 in.)

5.

ADJUST CAMBER AND TOE–IN

(a)

Measure the lengths of the toe control link and No.2 lower
suspension arm, as shown in the illustration.
Length: A – B = 4.0 mm (0.16 in.) or less

If they are not within the specifications, adjust the lengths of
them by turning the adjusting cam, as shown, until (A – B) is less
than 4.0 mm (0.16 in.).
(b)

Measure the camber and toe–in.

(c)

Adjust the camber.
(1)

Loosen the camber adjusting cam nut of lower sus-
pension arm No.2.

(2)

Turn the camber adjusting cam of lower suspension
arm No.2 and adjust camber.

HINT:
Camber changes about 5.0’ (0.08

°

) with each graduation of the

cam.

(3)

Torque the camber adjusting cam nut.

Torque: 110 N·m (1,120 kgf·cm, 81 ft·lbf)

F02402

SA–8

–

SUSPENSION AND AXLE

REAR WHEEL ALIGNMENT

2008

(d)

Adjust the toe–in.
(1)

Loosen the camber adjusting cam nut of toe control
link.

(2)

Turn the camber adjusting cam of toe control link
and adjust toe–in.

HINT:
Camber changes about 5.0’ (0.08

°

) with each graduation of the

cam.

(3)

Torque the camber adjusting cam nut.

Torque: 49 N·m (500 kgf·cm, 36 ft·lbf)

SA0SE–01

R15896

SST

SA1173

SST

R09980

SST

R15895

SST

SA1176

SA–72

–

SUSPENSION AND AXLE

REAR DIFFERENTIAL CARRIER

2072

REPLACEMENT

1.

REPLACE COMPANION FLANGE DUST DEFLECTOR

(a)

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

09950–00020, 09950–60010 (09951–00510)

(b)

Using SST and a press, install a new dust deflector.
SST

09316–60011 (09316–00011)

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, 09950–60020 (09951–00780),
09950–70010 (09951–07150)

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

SA1181

SA0SF–03

SA1178

W02619

SA1280

–

SUSPENSION AND AXLE

REAR DIFFERENTIAL CARRIER

SA–73

2073

REASSEMBLY

1.

ADJUST DIFFERENTIAL PINION GEAR BACKLASH

(a)

Install the 2 proper thrust washers on the side gears.

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

Thrust washer thickness:

Thickness mm (in.)

Thickness mm (in.)

1.50 (0.059)

1.75 (0.069)

1.55 (0.061)

1.80 (0.071)

1.60 (0.063)

1.85 (0.073)

1.65 (0.065)

1.90 (0.075)

1.70 (0.067)

–

(b)

Install the 2 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 2 side gear shafts gently into the differential
case by hand and install them.

(d)

Using a dial indicator, measure the pinion gear backlash
with holding one side gear toward the case.
Maximum: 0.15 mm (0.0059 in.)

NOTICE:
Differential gears should be able to rotate.
If the backlash is not within the specification, install the 2 side
gear thrust washers with different thicknesses.
(e)

Remove the 2 side gear shafts.

2.

INSTALL STRAIGHT PIN AND STAKE DIFFERENTIAL
CASE

(a)

Using a pin punch and hammer, install the straight pin
through the differential case and hole of the pinion shaft.

(b)

Stake the differential case.