SA1U7
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01
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SUSPENSION AND AXLE
TROUBLESHOOTING
SA
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1
858
Author:
Date:
1996 LAND CRUISER (RM451U)
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.
(w/ Differential locking system):
S
Check that center differential lock mode is set.
S
When switching differential Free
↔
Lock, the indicator lamp will blink if the gears of the differen-
tial lock sleeve are not meshed. If this occurs, when the tires are rotated to apply differential
power to the differential, the differential locks and the indicator lamp light up.
Symptom
Suspect Area
See page
Wander/ pulls
1. Tires: worn or improperly inflated
2. Wheel alignmemt: incorrect
3. Steering linkage: loosen or worn
4. Hub bearings: loosen or worn
5. Steering gear: out of adjustment or broken
SA
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3
SA
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4
SR
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47
SA
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8
SR
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41
Bottoming
1. Vehicle: overloaded
2. Spring weak
3. Shock absorber: worn out
−
SA
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49
SA
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49
Sways/ pitches
1. Tires: worn or improperly inflated
2. Stabilizer bar: bent or broken
3. Shock absorber: worn out
SA
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3
SA
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60
SA
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49
Front wheel shimmy
1. Tires: worn or improperly inflated
2. Wheels: out of balance
3. Shock absorber: worn out
4. Wheel alignmemt: incorrect
5. Hub bearings: loosen or worn
6. Steering linkage: loosen or worn
7. Steering gear: out of adjustment or broken
SA
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3
SA
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3
SA
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49
SA
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3
SA
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7
SR
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45
SR
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38
Abnormal tire wear
1. Tires: worn or improperly inflated
2. Wheel alignmemt: incorrect
3. Suspension parts: worn out
4. Shock absorber: worn out
SA
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3
SA
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3
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SA
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49
Noise in front differential
1. Oil level: low or wrong grade
2. Excessive backlash between pinion and ring gear
3. Ring, pinion ro side gears: worn or chipped
4. Pinion shaft bearing: worn
5. Side bearing: worn
6. Differential bearing: loosen or worn
SA
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21
SA
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29
SA
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29
SA
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29
SA
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29
SA
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29
Oil leak from front differential
1. Oil level: too high or wrong grade
2. Drive pinion oil seal: worn or damaged
3. Side gear oil seal: worn or damaged
4. Companion flange: loosen or damaged
5. Side gear shaft: damaged
SA
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21
SA
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29
SA
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29
SA
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29
SA
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29
Noise in rear axle
1. Oil level: low or wrong grade
2. Excessive backlash between pinion and ring gear
3. Ring, pinion ro side gears: worn or chipped
4. Pinion shaft bearing: worn
5. Axle shaft bearing: worn
6. Differential bearing: loosen or worn
SA
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73
SA
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87
SA
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87
SA
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87
SA
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87
SA
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87
Oil leak from rear axle
1. Oil seal: worn or damaged
2. Rear axle housing: cracked
SA
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73
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Version 1.00 - 12/21/2010