1991 LEXUS SC400 Service Repair Manual

Page 3265 of 4087

LEXUS SC400 1991  Service Repair Manual 
TROUBLESHOOTING
SA06G±02
Use the table below to help you find the cause of the problem.
The numbers indicate the priority of the likely cause of the problem. Ch\
eck each part in order.
If necessary

Page 3266 of 4087

LEXUS SC400 1991  Service Repair Manual 
GENERAL INSPECTION
SA19Y±01
1. INSPECT TIRE
(a)  Check the tires for wear and for the proper inflation pressure.Cold tire inflation pressure (SC400):
 

Tire size 


Page 3267 of 4087

LEXUS SC400 1991  Service Repair Manual 
4.  CHECK WHEEL BEARING LOOSENESS
(a)  Check the backlash in bearing shaft direction.
Maximum: 0.05 mm (0.0020 in.)
(b)  Check the axle hub deviation.
Maximum: 0.05 mm (0.0020 in.)
5.  CHECK FRONT SU

Page 3268 of 4087

LEXUS SC400 1991  Service Repair Manual 
WHEEL ALIGNMENT
FRONT WHEEL ALIGNMENT
SA19Z±01
1.  MEASURE VEHICLE HEIGHTFront vehicle height (SC400):
 Tire size Front P225/55R

Page 3269 of 4087

LEXUS SC400 1991  Service Repair Manual 
5.  ADJUST CAMBER AND CASTERSpecifications:
 


Camber
Left±right error 


0
01  +  30 
30  or less
 


Page 3270 of 4087

LEXUS SC400 1991  Service Repair Manual 
(d)  Tighten the tie rod end lock nut.
Torque: 56 NVm (570 kgf Vcm, 41 ft Vlbf)
(e)  Place the boot on the seat and clip it.
HINT: Insure that the boots are not twisted.
7.  INSPECT WHEEL ANGLE Wheel

Page 3271 of 4087

LEXUS SC400 1991  Service Repair Manual 
ADJUSTMENT CHART
SA155±04
HOW TO READ ADJUSTMENT CHART
(a) Mark on  the graph the measurements taken from the vehicle.
Example:
Camber +0 �31
Caster +3 �56
(b)  As shown in the illustration, rea

Page 3272 of 4087

LEXUS SC400 1991  Service Repair Manual 
±
SUSPENSION AND AXLE WHEEL ALIGNMENTSA±9 
WhereEverybodyKnowsYourName