Page 1105 of 1111
SA0SP±01
F03424
Upper Suspension Arm
64 (650, 47)
88 (900, 65)
18 (185, 13)
88 (900, 65)
Shock Absorber With
Coil Spring
Washer
Drive Shaft
Suspension Member Brace
110 (1,120, 81)
30 (305, 22)
289 (2,950, 213)
50 (510, 37)
X6
HID Type Headlight:
Height Control
Sensor Link
N´m (kgf´cm, ft´lbf) : Specified torque
Non±reusable part Cotter Pin
Lock Cap
110 (1,120, 81)
110 (1,120, 81)
No.2 Lower Suspension Arm
83 (850, 61)
108 (1,100, 80)
75 (765, 55)
± SUSPENSION AND AXLEREAR UPPER SUSPENSION ARM
SA±93
2093 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
REAR UPPER SUSPENSION ARM
COMPONENTS
Page 1106 of 1111
SA0SQ±01
F02383
SST
F02384
SA±94
± SUSPENSION AND AXLEREAR UPPER SUSPENSION ARM
2094 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 DRIVE SHAFT (See page SA±52)
3. REMOVE SHOCK ABSORBER (See page SA±87)
4. REMOVE UPPER SUSPENSION ARM
(a) Remove the nut.
Torque: 108 N´m (1,100 kgf´cm, 80 ft´lbf)
(b) Using SST, disconnect the upper suspension arm from
the axle carrier.
SST 09628±62011
NOTICE:
Be careful not to damage the dust cover.
Support the axle carrier.
(c) Remove the 2 bolts, nuts, washers and upper suspension
arm.
Torque: 88 N´m (900 kgf´cm, 65 ft´lbf)
HINT:
At the time of installation, after stabilizing the suspension,
torque the nuts.
Page 1107 of 1111
SA0SR±01
F01986
± SUSPENSION AND AXLEREAR UPPER SUSPENSION ARM
SA±95
2095 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSPECTION
INSPECT BALL JOINT FOR ROTATION CONDITION
(a) As shown, flip the ball joint stud back and forth 5 times,
before installing the nut.
(b) Using torque wrench, turn the nut continuously one turn
per 2 ± 4 seconds and take the torque reading on the 5th
turn.
Turning torque:
1.0 ± 3.4 N´m (10 ± 35 kgf´cm, 9 ± 30 in.´lbf)
Page 1108 of 1111
SA0SS±01
SA±96
± SUSPENSION AND AXLEREAR UPPER SUSPENSION ARM
2096 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSTALLATION
Installation is in the reverse order of removal (See page SA±94).
AFTER INSTALLATION, CHECK ABS SPEED SIGNAL (See page DI±389) AND REAR WHEEL ALIGN-
MENT (See page SA±7)
Page 1109 of 1111
SA0ST±01
F03426
Fender Apron Seal
No.2 Lower
Suspension Arm
HID Type Headlight:
Height Control
Sensor Link
110 (1,120, 81)
30 (305, 22)
110 (1,120, 81)
110 (1,120, 81)
No.1 Lower Suspension Arm
75 (765, 55)
N´m (kgf´cm, ft´lbf): Specified torque
75 (765, 55)
± SUSPENSION AND AXLEREAR LOWER SUSPENSION ARM
SA±97
2097 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
REAR LOWER SUSPENSION ARM
COMPONENTS
Page 1110 of 1111

SA0SU±01
F02385
F02386
F02387
SA±98
± SUSPENSION AND AXLEREAR LOWER SUSPENSION ARM
2098 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 REAR FENDER APRON SEAL
3. REMOVE NO.1 LOWER SUSPENSION ARM
Remove the 2 bolts, nuts, and No.1 lower suspension arm.
Torque: 75 N´m (765 kgf´cm, 55 ft´lbf)
HINT:
At the time of installation, after stabilizing the suspension,
torque the nuts.
4. REMOVE NO.2 LOWER SUSPENSION ARM
(a) Halogen type headlight:
Remove the bolt, nut and disconnect the stabilizer bar link
from the No.2 lower suspension arm.
Torque: 30 N´m (305 kgf´cm, 22 ft´lbf)
(b) HID type headlight:
Remove the bolt, nut and disconnect the stabilizer bar link
and the height control link from the No.2 lower suspen-
sion arm.
Torque: 30 N´m (305 kgf´cm, 22 ft´lbf)
(c) Remove the bolt, nut and disconnect the shock absorber
from the No.2 lower suspension arm.
Torque: 110 N´m (1,120 kgf´cm, 81 ft´lbf)
HINT:
At the time of installation, after stabilizing the suspension,
torque the nut.
Page 1111 of 1111
F02388
Matchmarks
F02389
± SUSPENSION AND AXLEREAR LOWER SUSPENSION ARM
SA±99
2099 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
(d) Place matchmarks on the adjusting cam and No.2 lower
suspension arm.
(e) Remove the nut, adjusting cam No.2 and adjusting cam
No.1.
Torque: 110 N´m (1,120 kgf´cm, 81 ft´lbf)
HINT:
At the time of installation, after stabilizing the suspension,
torque the nut.
(f) Remove the bolt, nut, washer and No.2 lower suspension
arm.
Torque: 110 N´m (1,120 kgf´cm, 81 ft´lbf)
HINT:
At the time of installation, after stabilizing the suspension,
torque the nut.