suspension LEXUS SC300 1991 Service Repair Manual

5. INSTALL SIDE GEAR SHAFT OIL SEAL
(a) Using SST and a hammer, drive in a new oil seal.SST 09608±32010, 09608±35014 (09608±06020)
(b) Apply MP grease to the oil seal lip.
6. INSTALL SIDE GEAR SHAFT
(a) Install a new snap ring to the side gear shaft.
(b) Using a hammer and brass bar, tap in the side gear shaft to
the differential.
NOTICE: Be careful not damage the side gear shaft and oil
seal.
7. CHECK INSTALLATION OF SIDE GEAR SHAFT
(a) Check that there is 2±3 mm (0.08±0.12 in.) of play in axialdirection.
(b) Check that the side gear shaft will not come out by trying to pull it out by hand.
8. INSTALL REAR DRIVE SHAFT
(See page SA±65)
9. CHECK DIFFERENTIAL OIL LEVEL Fill with hypoid gear oil if necessary.
Oil grade:
API GL±5 Hypoid Gear Oil
Viscosity: Above±18
C (0
F) SAE 90
Below±18
C (0
F) SAE 80W±90 or 80W
Capacity: 1.35 liters (1.43 US qts, 1.19 lmp. qts)
SA±80±
SUSPENSION AND AXLE REAR DIFFERENTIAL
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COIL SPRING COMPRESSOR SST # 09727-30020-02Page 1 of 1
Please observe the following procedures each time this tool is used:
SPECIAL SERVICE TOOLS
SS93±001
MARCH 12, 1993
ALL MODELS
Carefully inspect your spring compressor for cracks or other deformation prior to
each use.

Use only on Lexus vehicles. Use on other applications may exceed the tool design
limits.
 Be sure spring is free from its seat (unstuck) prior to compressing.
 Do not compress the coil spring further than needed to facilitate the repair.
When using suspension coil spring compressor be sure to follow the instructi\
ons outlined in
the repair manual as well as the caution label placed on the tool (see illustration below).
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REAR SUSPENSION NOISEPage 1 of 2
PREVIOUS PART
NUMBER
48341-24040
48341-24070
Center Support Nut
Projection
New
Rear Spring Bumper
Previous
Rear Spring Bumper
SUSPENSION
SU95±005
OCTOBER 20, 1995
SC 300/400
The rear spring bumper has been changed in production on 1995 SC 300/400 in\
an effort to reduce
clunking/rattling noises.
SERVICE HINT: A similar clunking/rattling type noise can be generated by an
improperly torqued center support nut (27 N m, 280 kgf.cm,
20 ft.lbs).
PRODUCTION EFFECTIVE
:
Starting VINs: JT8UZ30C*S0047966 JT8JZ31C*S0030524
PART NUMBER INFORMATION
: NEW PART NUMBER PART NAME QTY
48341-24071 Bumper, Rear Spring 2
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REAR SUSPENSION NOISEPage 2 of 2
WARRANTY INFORMATION:
OPCODE DESCRIPTION TIME OPN T1 T2
R&R Rear Shock AbsorberAssembly
(both sides including 48341-24040 or
replacement of spring 48341-24070
bumpers and all necessary
adjustments)
Replacement of the rear spring bumper under warranty is limited to correction of a prob\
lem based upon a
customer 's complaint.
482201A 1.8 91 41
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Lexus Supports ASE CertificationPage 1 of 5
Title:
SUSPENSION BALL JOINT INSPECTION
Models:
Applicable Models
Technical Service
Information Bulletin
October 11, 2002
PG012-02
This Service Bulletin is to inform you of the inspection method, and free pl\
ay
specification figures for suspension ball joints. The on±vehicle insp\
ection methods
have been standardized.
1990 ± 2000 model year LS 400 vehicles.
2001 ± 2003 model year LS 430 vehicles.
1993 ± 2003 model year GS 300 vehicles.
1998 ± 2000 model year GS 400 vehicles.
2001 ± 2003 model year GS 430 vehicles.
1992 ± 2000 model year SC 300 & SC 400 vehicles.
2002 ± 2003 model year SC 430 vehicles.
2001 ± 2003 model year IS 300 vehicles.
1999 ± 2003 model year RX 300 vehicles.
1990 ± 2003 model year ES 250 & ES 300 vehicles.
1998 ± 2003 model year LX 470 vehicles.
OP CODEDESCRIPTIONTIMEOFPT1T2
N/ANot Applicable to Warranty±±±±
PRODUCT GENERAL INFORMATION
Introduction
Applicable Vehicles
Warranty
Information
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SUSPENSION BALL JOINT INSPECTION ± PG012-02 October 11, 2002
Page 2 of 5
MODELLOCATION
LOWER BALL JOINT OR SUSPENSION
BALL JOINTUPPER BALL JOINT
MODELLOCATIONINSP.
METHODMAX. PLAYTURNING TORQUEINSP.
METHODMAX. PLAYTURNING TORQUE
LS 400
(UCF10)
Front1±(A)0.016 in.
(0.4) mm4 in. lbf
(0.5 N m)
or Less
(UCF10)
1990±1994
Rear3No Play Felt31 in. lbf
(3.5 N m)
or Less
LS 400
(UCF20)
Front1±(A)0.016 in.
(0.4) mm22 in. lbf
(2.5 N m)
or Less
(UCF20)
1995±2000Rear3No Play Felt31 in. lbf
(3.5 N m)
or Less
LS 430
(UCF30)
Front1±(A)No Play Felt31 in. lbf
(3.5 N m)
or Less
(UCF30)
2001±2003Rear3No Play Felt31 in. lbf
(3.5 N m)
or Less
GS 300
(JZS147)
Front1±(A)0.016 in.
(0.4) mm27 in. lbf
(3.0 N m)
or Less
2No Play31 in. lbf
(3 5 N m)(JZS147)
1993±1997Rear1±(A)No Play
Felt31 in. lbf
(3.5 N m)
or Less2No Play
Felt(3.5 N m)
or Less
GS 300, 400, 430
(JZS16#
Front1±(A)0.016 in.
(0.4) mm27 in. lbf
(3.0 N m)
or Less
(JZS16#,
UZS16#)
1998±2003
Rear3No Play Felt31 in. lbf
(3.5 N m)
or Less
SC 300, 400
(JZZ31,
Front1±(A)0.016 in.
(0.4) mm27 in. lbf
(3.0 N m)
or Less
(JZZ31,
UZZ30)
1992±2000
Rear1±(A)No Play Felt31 in. lbf
(3.5 N m)
or Less
SC 430
(UZZ40)
Front1±(A)0.016 in.
(0.4) mm27 in. lbf
(3.0 N m)
or Less
(UZZ40)
2002±2003
Rear3No Play Felt31 in. lbf
(3.5 N m)
or Less
Inspection
Information
Table
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SUSPENSION BALL JOINT INSPECTION ± PG012-02 October 11, 2002
Page 3 of 5
MODELLOCATION
LOWER BALL JOINT OR SUSPENSION
BALL JOINTUPPER BALL JOINT
MODELLOCATIONINSP.
METHODMAX. PLAYTURNING TORQUEINSP.
METHODMAX. PLAYTURNING TORQUE
IS 300
(JCE10)
Front1±(A)0.016 in.
(0.4) mm27 in. lbf
(3.0 N m)
or Less
2No Play
31 in. lbf
(3.5 N m)
or Less
(JCE10)
2001±2003
Rear3No Play Felt31 in. lbf
(3.5 N m)
or Less2No Play
Felt27 in. lbf
(3.0 N m)
or Less
RX 300
(MCU10, 15)
1999 2003
Front1±(B)No Play Felt31 in. lbf
(3.5 N m)
or Less
N/AN/AN/A
1999±2003RearN/AN/AN/AN/AN/AN/A
ES 250 & 300 (VZV21,
MCV20, 30)Front1±(B)No Play Felt31 in. lbf
(3.5 N m)
or Less
N/AN/AN/A
MCV20, 30)
1990±2003RearN/AN/AN/AN/AN/AN/A
LX 470
(UZJ100)
1998 2003
Front1±(A)No Play Felt27 in. lbf
(3.0 N m)
or Less
2No Play Felt40 in. lbf
(4.5 N m)
or Less
1998±2003RearN/AN/AN/AN/AN/AN/A
NOTE:
Be sure to check the table for the
applicable inspection type based on
the vehicle model.
Refer to the table for the standard
free play values.
1. Inspect Lower Ball Joint Free Play
A. Move the hub up and down byhand (Most models with
wish±bone suspension):
a. Remove the tire.
b. Install the 2 lug nuts.
c. Inspect the free play while moving the lug nuts up and
down at a force of 67 lbf
(294 N, 30 kgf).
Inspection
Information
Table
(Continued)
Free Play
Inspection
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SUSPENSION BALL JOINT INSPECTION ± PG012-02 October 11, 2002
Page 4 of 5
B. Move the lower arm by hand (All
models with strut type suspension
and some models with wish±bone
type suspension):
a. Lift up the vehicle.
b. Inspect the free play while moving the lower arm up and
down at a force of 67 lbf
(294 N, 30 kgf).
2. Inspect Upper Ball Joint Play Move the upper arm by hand (Models
where the LOWER control arm are
linked by a torsion bar, and all models
using a coil spring.
A. Remove the front tire.
B. Inspect the free play while moving the upper arm up and down at a
force of 67 lbf (294 N, 30 kgf).
3. Inspect the Suspension Arm Ball Joint Free Play
A. Lift up the vehicle.
B. Inspect the free play while moving the control arm by hand.
(Reference)
Free Play Inspection Method
(Gauge Installation) Position the dial gauge between the
arm (upper or lower) and the knuckle,
and measure free play.
(This illustration shows how to
measure free play for vehicles with
double wishbone type suspension
with coil spring).
Inspect Ball Joint Dust Cover
Check for cracks and grease leaks on the
dust cover (boots).Free Play
Inspection
(Continued)
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SUSPENSION BALL JOINT INSPECTION ± PG012-02 October 11, 2002
Page 5 of 5
Inspect Ball Joint Turning Torque
Move the stud back and forth 5 times,
then turn the stud continuously at 3±5
seconds per turn, and measure the
turning torque at the 5th turn.
HINT:
Refer to the table for standard values
for the turning torque.
Turning
Torque
Inspection
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