Lexus GS300/400 (2000 year). Service manual — part 270

F01950

N·m (kgf·cm, ft·lbf) : Specified torque

Non–reusable part

Gasket

Pinion Gear Shaft

Thrust Washer

Pinion Gear

Straight Pin

Side Gear

Thrust Washer

See page

SA–73

X10

Adjusting Washer

Outer Race

Drive Pinion Rear Bearing

Drive Pinion

Ring Gear

Differential Case

Side Bearing
Outer Race

Side Bearing

Drain Plug

49 (500, 39)

Breather Plug

21 (210, 15)

X8

47 (475, 34)

Differential
Carrier Cover

49 (500, 39)

X8

Filler Plug

Gasket

Companion Flange

Dust Deflector

Oil Seal

Drive Pinion Front Bearing

Outer Race

Spacer

Adjust Plate
Washer

O–Ring

Differential Carrier Retainer

X8

22 (225, 16)

Oil Seal

Dust Cover

Snap Ring

Side Gear Shaft

Precoated part

See page

SA–73

Oil Slinger

Oil Deflector

7.0 (70, 62 in.·lbf)

SA–64

–

SUSPENSION AND AXLE

REAR DIFFERENTIAL CARRIER

2064

SA0SC–01

F02394

Matchmarks

F03449

Matchmarks

F02353

–

SUSPENSION AND AXLE

REAR DIFFERENTIAL CARRIER

SA–65

2065

REMOVAL

1.

REMOVE EXHAUST PIPE
(See page EM–97 or EM–120)

2.

REMOVE PROPELLER SHAFT (See page

PR–4

)

3.

DISCONNECT REAR DRIVE SHAFTS

(a)

Place matchmarks on the adjusting cam and lower sus-
pension arm.

(b)

Remove the bolt and nut, disconnect the No.2 lower sus-
pension arm from the axle hub.
Torque: 110 N·m (1,120 kgf·cm, 81 ft·lbf)

(c)

Remove the bolt and nut, disconnect the No.1 lower sus-
pension arm from the axle hub.
Torque: 75 N·m (765 kgf·cm, 55 ft·lbf)

(d)

Place matchmarks on the 2 drive shafts and side gear
shafts.

NOTICE:
Do not punch to mark the matchmarks. Use paint etc.
(e)

Using a 10 mm hexagon wrench, remove the 6 hexagon
bolts and 2 washers with depressing the brake pedal.
Torque: 83 N·m (850 kgf·cm, 61 ft·lbf)

HINT:
At the time of installation, apply a light coat of engine oil on the
threads of the bolts.
(f)

Disconnect the drive shafts from the differential carrier.

4.

REMOVE DIFFERENTIAL

(a)

Support the differential carrier with a jack.

(b)

Using a 12 mm hexagon wrench, remove the 3 hexagon
bolts
Torque: 142 N·m (1,450 kgf·cm, 105 ft·lbf)

(c)

Remove the 2 bolts and lower mount stoppers.
Torque: 123 N·m (1,250 kgf·cm, 90 ft·lbf)

(d)

Remove the differential.

R08499

SA–66

–

SUSPENSION AND AXLE

REAR DIFFERENTIAL CARRIER

2066

(e)

Remove the 2 upper mount stoppers from the differential
carrier.

SA0SD–04

R00029

R00046

10 mm
(0.39 in.)

R00028

R00027

–

SUSPENSION AND AXLE

REAR DIFFERENTIAL CARRIER

SA–67

2067

DISASSEMBLY

1.

REMOVE DIFFERENTIAL CARRIER COVER

(a)

Remove the 8 bolts from the carrier cover.

(b)

Using a brass bar and hammer, separate the cover from
carrier.

(c)

Remove the breather plug from the differential carrier cov-
er.

2.

SET DIFFERENTIAL CARRIER TO OVERHAUL STAND
ETC., AS SHOWN

3.

CHECK RUNOUT OF DRIVE PINION SHAFT

Using a dial indicator, measure the runout of the drive pinion
shaft at a position 10 mm (0.39 in.) away from the end of the
shaft.

Maximum runout: 0.08 mm (0.0031 in.)

If the runout is greater than the maximum, replace the drive pin-
ion and ring gear.

4.

CHECK RING GEAR RUNOUT

Using a dial indicator, measure the ring gear runout.

Maximum runout: 0.05 mm (0.0020 in.)

If the runout is greater than the maximum, replace the drive pin-
ion, ring gear and differential case.

5.

CHECK RING GEAR BACKLASH

Using a dial indicator, measure the backlash of the ring gear at
3 points at least and check that the average value is within the
specification.

Backlash: 0.08 – 0.13 mm (0.0031 – 0.0051 in.)

NOTICE:
The difference between the maximum and minimum mea-
sured values must be less than 0.05 mm (0.0020 in.).
If the backlash is not within the specification, adjust the back-
lash (See page

SA–73

).