LEXUS GS400 2000 Service Repair Manual

SA0RM±01
F02337
HID Type Headlight:
Height Control Sensor LinkPS Gear
Assembly
Pressure Feed
and Return Tubes
Shock Absorber
Bracket
No.2 Lower Suspension Arm
Strut Bar Bracket
Brake Caliper
Stabilizer Bar Link No.1 Lower Suspension
Arm
Engine Under CoverDisc Clip

Gasket
5.4 (55, 48 in.´lbf)
59 (600, 44)
118 (1,200, 87)
: Specified torque

Non±reusable partN´m (kgf´cm, ft´lbf)
87 (890, 64)
172 (1,755, 127)

Cotter Pin55 (560, 43)
164 (1,690, 122)
162 (1,650, 119)
58 (590, 43)
152 (1,550, 112)
113 (1,150, 83)
35 (360, 26)
65 (660, 48)
Engine Under Cover
Rear RH
Engine Under Cover
Rear LH
157 (1,600, 116)
± SUSPENSION AND AXLEFRONT LOWER SUSPENSION ARM
SA±29
2029 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
FRONT LOWER SUSPENSION ARM
COMPONENTS

SA0RN±01
F02311
F02312
SST
F02317
F02318
SA±30
± SUSPENSION AND AXLEFRONT LOWER SUSPENSION ARM
2030 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
REMOVAL
1. REMOVE FRONT WHEEL
Torque: 103 N´m (1,050 kgf´cm, 76 ft´lbf)
2. REMOVE ENGINE UNDER COVERS
3. REMOVE BRAKE CALIPER
(a) Remove the 2 bolts and caliper.
Torque: 118 N´m (1,200 kgf´cm, 87 ft´lbf)
(b) Support the brake caliper securely.
(c) Remove the disc.
4. DISCONNECT TIE ROD END
(a) Remove the clip and nut.
Torque: 87 N´m (890 kgf´cm, 64 ft´lbf)
(b) Using SST, disconnect the tie rod end from the steering
knuckle.
SST 09610±20012
5. HID TYPE HEADLIGHT:
DISCONNECT HEIGHT CONTROL SENSOR LINK
FROM SHOCK ABSORBER BRACKET
Remove the nut and disconnect the height control sensor link
from the shock absorber bracket.
Torque: 5.4 N´m (55 kgf´cm, 48 in.´lbf)
6. REMOVE STABILIZER BAR LINK
(a) Remove the bolt and nut, disconnect the stabilizer bar link
from the stabilizer bar.
Torque: 55 N´m (560 kgf´cm, 43 ft´lbf)
(b) Remove the nut and stabilizer bar link.
Torque: 113 N´m (1,150 kgf´cm, 83 ft´lbf)

F02395
F02321
R05835SST
F03425
A
BA
F02322Matchmarks
± SUSPENSION AND AXLEFRONT LOWER SUSPENSION ARM
SA±31
2031 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
7. DISCONNECT SHOCK ABSORBER
Remove the bolt and nut, disconnect the shock absorber from
the shock absorber bracket.
Torque: 157 N´m (1,600 kgf´cm, 116 ft´lbf)
8. LOOSEN NO.1 AND NO.2 LOWER SUSPENSION ARM
SET BOLTS
Torque: 164 N´m (1,690 kgf´cm, 122 ft´lbf)
HINT:
At the time of installation, after stabilizing the suspension,
torque the bolts.
9. DISCONNECT NO.2 LOWER SUSPENSION ARM
(a) Remove the cotter pin and nuts.
Torque: 162 N´m (1,650 kgf´cm, 119 ft´lbf)
(b) Using SST, disconnect the No.2 lower suspension arm
from the lower ball joint.
SST 09628±62011
10. REMOVE STEERING GEAR ASSEMBLY
(See page SR±45)
11. REMOVE STRUT BAR BRACKET
Remove the nut, 2 bolts and strut bar bracket.
Torque:
A: 58 N´m (590 kgf´cm, 43 ft´lbf)
B: 152 N´m (1,550 kgf´cm, 112 ft´lbf)
12. REMOVE LOWER SUSPENSION ARM ASSEMBLY
(a) Place matchmarks on the camber adjusting cam and sus-
pension crossmember.
(b) Remove the bolt, nut and lower suspension arm assem-
bly.
Torque: 172 N´m (1,755 kgf´cm, 127 ft´lbf)
HINT:
At the time of installation, after stabilizing the suspension,
torque the nut.

SA±32
± SUSPENSION AND AXLEFRONT LOWER SUSPENSION ARM
2032 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
13. REMOVE NO.1 AND NO.2 LOWER SUSPENSION
ARMS
(a) Remove the bolt, shock absorber bracket from the No.1
lower suspension arm.
Torque: 59 N´m (600 kgf´cm, 44 ft´lbf)
(b) Remove the 2 bolts and separate the No.1 and No.2 lower
suspension arms.

SA0RO±01
± SUSPENSION AND AXLEFRONT LOWER SUSPENSION ARM
SA±33
2033 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSTALLATION
Installation is in the reverse order of removal (See page SA±30).
AFTER INSTALLATION, CHECK ABS SPEED SENSOR SIGNAL (See page DI±389) AND FRONT
WHEEL ALIGNMENT (See page SA±4)

W01064
SA0RP±01
SA±34
± SUSPENSION AND AXLEFRONT LOWER BALL JOINT
2034 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
FRONT LOWER BALL JOINT
ON±VEHICLE INSPECTION
INSPECT LOWER BALL JOINT EXCESSIVE PLAY ON±VE-
HICLE
(a) Remove the tire and install the hub nuts to the disc.
(b) Using a dial indicator, check the lower ball joint for exces-
sive play when you push the hub nuts up and down with
a force of 294 N (30 kgf, 66 lbf).
Maximum: 0.9 mm (0.035 in.)
If it is not within the specification, replace the lower ball joint.

SA0RQ±01
F02338
Brake Caliper
Clip
Lower Ball Joint

Cotter Pin

Non±reusable part
N´m (kgf´cm, ft´lbf) : Specified torque
162 (1,650, 119)
113 (1,150, 83)
87 (890, 64)
118 (1,200, 87)
± SUSPENSION AND AXLEFRONT LOWER BALL JOINT
SA±35
2035 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
COMPONENTS

SA0RR±01
F02311
W00285
SST
R05802
SST SA±36
± SUSPENSION AND AXLEFRONT LOWER BALL JOINT
2036 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
REMOVAL
1. REMOVE FRONT WHEEL
Torque: 103 N´m (1,050 kgf´cm, 76 ft´lbf)
2. REMOVE BRAKE CALIPER
(a) Remove the 2 bolts and caliper.
Torque: 118 N´m (1,200 kgf´cm, 87 ft´lbf)
(b) Support the brake caliper securely.
3. DISCONNECT TIE ROD END FROM LOWER BALL
JOINT
(a) Remove the clip and nut.
Torque: 87 N´m (890 kgf´cm, 64 ft´lbf)
(b) Using SST, disconnect the tie rod end from the lower ball
joint.
SST 09610±20012
4. DISCONNECT LOWER BALL JOINT FROM LOWER
SUSPENSION ARM
(a) Remove the cotter pin and nut.
Torque: 162 N´m (1,650 kgf´cm, 119 ft´lbf)
(b) Using SST, remove the lower ball joint.
SST 09628±62011
5. REMOVE LOWER BALL JOINT FROM STEERING
KNUCKLE
Remove the 2 bolts and lower ball joint.
Torque: 113 N´m (1,150 kgf´cm, 83 ft´lbf)

SA0RS±01
Z06742
F03477
± SUSPENSION AND AXLEFRONT LOWER BALL JOINT
SA±37
2037 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:
0.1 ± 3.0 N´m (1 ± 30 kgf´cm, 0.9 ± 26 in.´lbf)
HINT:
Check for unusual resistance or looseness as you turn the
torque wrench.

SA0RT±01
SA±38
± SUSPENSION AND AXLEFRONT LOWER BALL JOINT
2038 Author: Date:
2000 LEXUS GS300/GS400 (RM718U)
INSTALLATION
Installation is in the reverse order of removal (See page SA±36).
AFTER INSTALLATION, CHECK FRONT WHEEL ALIGNMENT (See page SA±4)