Page 1471 of 2062
Downloaded from www.Manualslib.com manuals search engine SA0FC−01
− SUSPENSION AND AXLETROUBLESHOOTING
SA−1
1440 Author: Date:
1996 TOYOTA T100 (RM449U)
TROUBLESHOOTING
PROBLEM SYMPTOMS TABLE
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. Check each part in order. If necessary, replace these parts.
SymptomSuspect AreaSee page
Wander/pulls
1. Tires (Worn or improperly inflated)
2. Wheel alignment (Incorrect)
3. Steering linkage (Loosen or worn)
4. Hub bearings (Loosen or worn)
5. Suspension parts (Worn out)
6. Steering gear (Out of adjustment or broken)SA−3
SA−5
SA−7
SA−10
−
SA−15
SA−22
SA−129
−
−
Bottoming
1. Vehicle (Overloaded)
2. Spring (Weak)
3. Shock absorber (Worn out)−
SA−82
SA−85
SA−160
SA−72
SA−77
SA−155
Sways/pitches
1. Tires (Worn or improperly inflated)
2. Stabilizer bar (Bent or broken)
3. Shock absorber (Worn out)SA−3
SA−5
SA−123
SA−126
SA−72
SA−77
SA−155
Front wheel shimmy
1. Tires (Worn or improperly inflated)
2. Wheels (Out of balance)
3. Shock absorber (Worn out)
4. Wheel alignment (Incorrect)
5. Ball joints (Worn)
6. Hub bearings (Loosen or worn)
7. Steering linkage (Loosen or worn)
8. Steering gear (Out of adjustment or broken)SA−3
SA−5
SA−3
SA−5
SA−72
SA−77
SA−155
SA−7
SA−10
SA−107
SA−11 1
SA−11 5
SA−11 9
SA−15
SA−22
SA−129
−
−
Abnormal tire wear
1. Tires (Improperly inflated)
2. Wheel alignment (Incorrect)
3. Suspension parts (Worn out)
4. Shock absorber (Worn out)SA−3
SA−5
SA−3
SA−5
−
SA−72
SA−77
SA−155
Page 1478 of 2062
Downloaded from www.Manualslib.com manuals search engine SA3213
A
FrontB
C D
FA0014R05239F01733
R04256
R04257
SA−8
− SUSPENSION AND AXLEFRONT WHEEL ALIGNMENT (2WD)
1447 Author: Date:
1996 TOYOTA T100 (RM449U)
4. INSPECT TOE−IN
To e−in (total)
STD cabA + B: 0° ± 12’ (0° ± 0.2°)
C − D: 0 ± 2 mm (0 ± 0.08 in.)
Extra cab
P215/75 R15A + B: 0°22’ ± 12’ (−0.36° ± 0.2°)
C − D: −4.7 ± 2 mm (0.18 ± 0.08 in.)
Extra cab
P235/75 R15A + B: 0°22’ ± 12’ (0.36° ± 0.2°)
C − D: −4.9 ± 2 mm (0.19 ± 0.08 in.)
If the toe−in is not within the specification, adjust the rack end.
5. ADJUST CAMBER AND CASTER
HINT:
Try to adjust the camber and caster to center value.
If camber or caster is not within the specification, adjust by ad-
ding or removing shims on the upper suspension arm.
Shim thickness
4.0 mm (0.157 in.)1.6 mm (0.063 in.)1.2 mm (0.047 in.)
HINT:
If the steering axis inclination is not as specified after camber
and caster have been correctly adjusted, recheck the steering
knuckle and front wheel for distortion or looseness.
NOTICE:
Adjust the shim thickness to 7 mm (+4, −3), and adjust the
difference between the front and rear of the upper suspen-
sion arm shaft to within 4 mm.
If this adjustment is not possible, adjust the strut bar bush
set nut.
6. ADJUST TOE−IN
(a) Remove the boot clamps.
(b) Loosen the tie rod end lock nuts.
(c) Turn the left and right rack ends an amount to adjust the
toe−in.
HINT:
Try to adjust the toe−in to the center value.
Make sure that the length of the left and right rack ends
are the same.
Rack end difference: 3.0 mm (0.118 in.) or less
(d) Tighten the tie rod end lock nut.
Torque: 56 N·m (570 kgf·cm, 41 ft·lbf)
(e) Place the boot on the seat and install the clip.
HINT:
Make sure that the boots are not twisted.
Page 1482 of 2062
Downloaded from www.Manualslib.com manuals search engine FA0927
Front
FA0018
Front
A: Inside
B: Outside ABBA
R08117
SA−12
− SUSPENSION AND AXLEFRONT WHEEL ALIGNMENT (4WD)
1451 Author: Date:
1996 TOYOTA T100 (RM449U)
(c) Torque the tie rod clamp bolt.
Torque: 22 N·m (225 kgf·cm, 16 ft·lbf)
HINT:
Face the clamp bolt toward the front of the vehicle.
7. INSPECT WHEEL ANGLE
Turn the steering wheel fully, and measure the turning angle.
ItemInside wheelOutside wheel
STD cab32°01’ ± 2°
(32.02° ± 2°)30°30’
(30.5°)
Extra cab32°14’ ± 2°
(33.23° ± 2°)30°30’
(30.5°)
If maximum steering angles differ from standard value, adjust
the wheel angle with the knuckle stopper bolts.
Torque: 47 N·m (480 kgf·cm, 35 ft·lbf)
If the wheel angle still cannot be adjusted within limits, inspect
and replace damaged or worn steering parts.
8. HOW TO READ ADJUSTMENT CHART
(a) Mark on the graph the measurements taken from the ve-
hicle.
Example:
Camber 0°40’ (0.67°)
Caster 0°35’ (0.58°)
(b) As shown in the chart, read from the graph the amounts
by which the from and/or rear cams are to be adjusted.
Amount to turn adjusting cam (by graduation):
Front cam −(Shorter) 1.8
Rear cam +(Longer) 3.1
Page 1716 of 2062
Downloaded from www.Manualslib.com manuals search engine R07653
SR0097
SR075−01
R09732
− STEERINGSTEERING WHEEL
SR−9
1683 Author: Date:
1996 TOYOTA T100 (RM449U)
STEERING WHEEL
INSPECTION
1. CHECK THAT STEERING WHEEL FREEPLAY IS COR-
RECT
With the vehicle stopped and tires pointed straight ahead, rock
the steering wheel gently back and forth with light finger pres-
sure.
Freeplay should not exceed the maximum.
Maimum freeplay: 30 mm (1.18 in.)
4WD:
If the freeplay exceeds the maximum, adjust it in the following
procedure.
2. 4WD:
ADJUST STEERING GEAR
(a) Point the front wheels straight ahead.
(b) Loosen the adjusting screw lock nut.
(c) Turn the sector shaft adjusting screw clockwise to de-
crease steering wheel freeplay and counterclockwise to
increase it.
HINT:
Turn the adjusting screw in small increments and check the
freeplay between each adjustment.
(d) Turn the steering wheel half way around in both direc-
tions.
Check the the freeplay is correct and steering is smooth
and without rough spots.
(e) Torque the adjusting screw lock nut (See page SR−80).
3. CHECK STEERING EFFORT
(a) Center the steering wheel.
(b) Remove the steering wheel pad (See page SR−13).
(c) Start the engine and run it at idle.
(d) Measure the steering effort in both directions.
Reference: 8.3 N·m (85 kgf·cm, 73 in.·lbf)
HINT:
Be sure to consider the tire type, pressure and contact surface
before making your diagnosis.
(e) Torque the steering wheel set nut.
Torque: 35 N·m (360 kgf·cm, 26 ft·lbf)
(f) Install the steering wheel pad (See page SR−20).