LEXUS GS400 2000 Service Repair Manual

SA0S0±04
F02397
F03451
SST
F01997
SST
SST
F03428
SA±46
± SUSPENSION AND AXLEREAR AXLE CARRIER
2046 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
DISASSEMBLY
1. REMOVE DUST DEFLECTOR
Using a screwdriver, remove the dust deflector.
2. REMOVE AXLE HUB
(a) Remove the 2 bolts and nuts.
(b) Mount the axle carrier in a vise.
HINT:
Use a set of soft jaws in the vise to protect the axle carrier.
NOTICE:
Do not tighten the vise too tight.
(c) Using SST, remove the axle hub from the axle carrier.
SST 09520±00031
(d) Remove the backing plate.
(e) Using SST, remove the bearing inner race from the axle
hub.
SST 09950±00020, 09950±60010 (09951±00480),
09950±40011 (09951±04020, 09952±04010,
09953±04030, 09954±04020, 09955±04041)
NOTICE:
Be careful not to the damage the axle hub.
3. REMOVE HUB BEARING
(a) Using snap ring pliers, remove the snap ring.

F01998
SST
± SUSPENSION AND AXLEREAR AXLE CARRIER
SA±47
2047 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
(b) Using SST and a press, remove the hub bearing from the
axle carrier.
SST 09950±60010 (09951±00650),
09950±70010 (09951±07100)

SA0S1±01
F02001
SST
SST
F02002
SST
SST
F02003
SST
SA±48
± SUSPENSION AND AXLEREAR AXLE CARRIER
2048 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
REASSEMBLY
1. INSTALL HUB BEARING
(a) Using SST and a press, install a new hub bearing to the
axle carrier.
SST 09527±17011, 09950±60020 (09951±00810),
09950±70010 (09951±07100)
(b) Using snap ring pliers, install the snap ring to the axle car-
rier.
2. INSTALL AXLE HUB
(a) Install the backing plate with the 2 bolts and nuts.
Torque: 59 N´m (600 kgf´cm, 43 ft´lbf)
(b) Using SST and a press, install the axle hub to the axle
carrier.
SST 09527±17011, 09950±60010 (09551±00650),
09950±70010 (09951±07100)
3. INSTALL DUST DEFLECTOR
Using SST and a hammer, install a new dust deflector to the
axle carrier.
SST 09527±17011, 09950±60020 (09951±01030),
09950±70010 (09951±07100)
HINT:
Align the speed sensor installation hole of dust deflector and
that of axle carrier.

SA0S4±01
F03421
Suspension Member BraceDrive Shaft x6
Lock Cap
Outboard Joint with Driver Shaft
Cotter Pin

Boot Clamp

No.2 Dust Deflector
Inboard Joint End Cover

GasketWasher
289 (2,950, 213)
110 (1,120, 81)
75 (765, 55)

Boot Clamp
Boot

Snap Ring

Inboard Joint Cover

Boot Clamp
Boot Clamp
Boot
Inboard Joint
N´m (kgf´cm, ft´lbf): Specified torque

Non±reusable part
83 (850, 61)
50 (510, 37)
± SUSPENSION AND AXLEREAR DRIVE SHAFT
SA±51
2051 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
REAR DRIVE SHAFT
COMPONENTS

SA0S5±03
F02394
Matchmarks
F03449
Matchmarks
SA±52
± SUSPENSION AND AXLEREAR DRIVE SHAFT
2052 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
REMOVAL
1. REMOVE REAR WHEEL
Torque: 103 N´m (1,050 kgf´cm, 76 ft´lbf)
2. REMOVE SUSPENSION MEMBER BRACE
Remove the 2 bolts and suspension member brace.
Torque: 50 N´m (510 kgf´cm, 37 ft´lbf)
3. REMOVE COTTER PIN, LOCK CAP AND LOCK NUT
(a) Remove the cotter pin and lock cap.
(b) With depressing the brake pedal, remove the nut.
Torque: 289 N´m (2,950 kgf´cm, 213 ft´lbf)
4. REMOVE DRIVE SHAFT
(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 drive shaft and side gear shaft.
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) Hold the inboard joint side of the drive shaft so that the
outboard joint side does not bend too much.

F03450
± SUSPENSION AND AXLEREAR DRIVE SHAFT
SA±53
2053 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
(g) Using a brass bar and hammer, lightly tap the end of the
drive shaft, disengage the axle hub and remove the drive
shaft.
NOTICE:
Be careful not to damage the boots, end cover, speed sen-
sor rotor of the drive shaft and oil seal of the axle hub.

SA0S6±01
R05813
R00195
R11083Matchmarks
R00191
SST SA±54
± SUSPENSION AND AXLEREAR DRIVE SHAFT
2054 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
DISASSEMBLY
1. CHECK DRIVE SHAFT
(a) Check that operation of the joint is smooth within the slid-
ing region in the axial direction.
HINT:
If a large angle is used for the cross±groove type joint, the joint
will feel like it is catching, but this does not indicate an abnormal-
ity.
(b) Check that the boots are not cracked, damaged or leak-
ing.
(c) Check that there are no scratches on the speed sensor
rotor.
2. REMOVE END COVER
(a) Using a screwdriver, remove the end cover.
(b) Use bolts, nuts and washers to keep the inboard joint to-
gether.
NOTICE:
Tighten the bolt by hand to avoid scratching the flange sur-
face.
3. REMOVE BOOT CLAMPS
Using a side cutter or pliers, remove the 4 boot clamps.
4. REMOVE INBOARD JOINT
(a) Place matchmarks on the inboard joint and drive shaft.
NOTICE:
Do not puch the marks.
(b) Using a snap ring expander, remove the snap ring.
(c) Using SST, an extension bar and a press, press out the
inboard joint from the drive shaft.
SST 09726±12023 (09726±01031)

R08193
R12345
± SUSPENSION AND AXLEREAR DRIVE SHAFT
SA±55
2055 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
(d) Mount the inboard joint in a soft jaw vise.
(e) Using a screwdriver and hammer, tap out the inboard joint
cover from the inboard joint.
NOTICE:
Make sure the cage and inner race are not positioned too
much to one side of the outer race.
5. REMOVE BOOTS
Remove the inboard and outboard joint boots.
6. REMOVE NO.2 DUST DEFLECTOR
(a) Mount the outboard joint in a soft jaw vise.
(b) Using a screwdriver, remove the No.2 dust deflector.
NOTICE:
Be careful not to damage the ABS speed sensor rotor.

SA0S7±01
R12766
SST
SA0721
Matchmarks
SA1328
Narrow
Wide
SA0830
R 11111
SA±56
± SUSPENSION AND AXLEREAR DRIVE SHAFT
2056 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
REASSEMBLY
1. INSTALL NEW NO.2 DUST DEFLECTOR
Using SST and a press, install a new No.2 dust deflector.
SST 09309±36010, 09502±12010
NOTICE:
Be careful not to damage the ABS speed sensor rotor.
2. ASSEMBLE INBOARD JOINT
If the joint has come apart, reassemble it in the following order.
(a) Align the matchmarks placed before removal.
HINT:
When the matchmarks have disappeared, do the following pro-
cedure.
(1) Install the inner race to the cage so that the in-
dented bevelled part of the inner race is on the op-
posite side to the bevelled top of the cage.
(2) Install the outer race so that the indented side of the
outer race is facing the same side as the bevelled
surface of the cage.
(3) Match the narrow projections of the inner race with
the wide projections of the outer race.
(b) Tilt the cage and inner race to the side and insert the balls
one by one.
NOTICE:
When the cage and inner race are tilted over, support the
joint with your hand to prevent the balls from falling out.
3. TEMPORARILY INSTALL NEW BOOTS AND NEW
BOOT CLAMPS
(a) Place 4 new boot clamps to each boots.
HINT:
Before installing the boots, wrap vinyl tape around the spline of
the shaft to prevent damaging the boots.
(b) Install the 2 boots to the drive shaft.

SA0679
FIPG
Seal Diameter
1.0 ± 1.8 mm
(0.039 ± 0.071 in.)
Z12875
Cover
Inboard Joint
R00194
Matchmarks
W00623
SST30°
± SUSPENSION AND AXLEREAR DRIVE SHAFT
SA±57
2057 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
4. INSTALL INBOARD JOINT COVER
(a) Apply FIPG to the inboard joint cover as shown in the il-
lustration.
FIPG:
Part No.08826±00801, THREE BOND 1121 or equiva-
lent
HINT:
Avoid applying an excessive amount to the surface.
(b) Remove grease from the surface of the inboard joint fac-
ing to the cover.
(c) Align the bolt holes of the cover with those of the inboard
joint, then insert the hexagon bolts.
(d) Use a plastic hammer to tap the rim of the inboard joint
cover into place. Do this in the order shown, and repeat
several times.
5. INSTALL INBOARD JOINT
(a) Align the matchmarks placed before removal.
(b) Using a brass bar and hammer, tap the inboard joint onto
the drive shaft.
NOTICE:
Check that the brass bar is touching the inner race, and not
the cage.
(c) Using a snap ring expander, install a new snap ring.
6. ASSEMBLE BOOTS TO JOINTS
Before assembling the boots, pack with only the same amount
of grease that was wiped off.
Grease capacity100 ± 105 g (3.5 ± 3.7 oz.)
HINT:
Use the grease supplied in the boot kit.
NOTICE:

Keep grease off the joint connection groove of the
boot.

Pack with grease all over the ball contact surface in-
side the joint.
7. INSTALL NEW BOOT CLAMPS TO BOTH BOOTS
(a) Position the clamp onto the boot.
(b) Place SST onto the clamp.
SST 09521±24010
(c) Tighten SST so that the clamp is pinched as shown in the
illustration.
NOTICE:
Do not overtighten the SST.