2000 LEXUS GS400 Service Repair Manual

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.

R06938
SSTClearance
R08199
R07026
SA±58
± SUSPENSION AND AXLEREAR DRIVE SHAFT
2058 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
(d) Using SST, adjust the clearance of the clamp.
SST 09240±00020 (09242±00080)
Clearance: 0.8 mm (0.031 in.) or less
(e) The drive shaft is designed to move ±20 mm (0.79 in.)
from the normal position.
Drive shaft standard length:
RH598.5 mm (23.563 in.)
LH553.5 mm (21.791 in.)
8. INSTALL NEW END COVER
(a) Pack grease into the end cover.
Grease capacity50 ± 55 g (1.8 ±1.9 oz.)
(b) Remove grease from the surface of the inboard joint fac-
ing to the cover.
(c) Glue on a new gasket, with the glued side facing toward
the outer race side of the inboard joint.
(d) Align the bolt holes of the cover with those of the inboard
joint.
(e) Install the 6 hexagon bolts and washers from the end cov-
er side.
(f) Install the 6 nuts to the boot side.
(g) Using a 10 mm hexagon wrench, tighten the bolts. Do this
in the order shown, and repeat several times.
(h) Check that the claw of the end cover touches the inboard
joint.
9. CHECK DRIVE SHAFT (See page SA±54)

SA0S8±01
± SUSPENSION AND AXLEREAR DRIVE SHAFT
SA±59
2059 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSTALLATION
Installation is in the reverse order of removal (See page SA±52).
AFTER INSTALLATION, CHECK ABS SPEED SENSOR SIGNAL (See page DI±389)