POWER STEERING SYSTEM > PROBLEM SYMPTOMS TABLE

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Symptom
Suspected area
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Hard steering
1. Tires (improperly inflated)
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2. Power steering fluid level (low)
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3. Drive belt (loose) TR Series Engine
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3. Drive belt (loose) 1GR-FE
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3. Drive belt (loose) KD Series Engine
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4. Front wheel alignment (incorrect)
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5. Steering system joints (worn)
-
6. Suspension arm ball joints (worn) 2WD
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6. Suspension arm ball joints (worn) 4WD
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7. Steering column (binding)
-
8. Power steering vane pump TR Series Engine
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8. Power steering vane pump 1GR-FE
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8. Power steering vane pump KD Series Engine
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9. Power steering link assembly
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Poor return
1. Tires (improperly inflated)
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2. Front wheel alignment (incorrect)
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3. Steering column (binding)
-
4. Power steering link assembly
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Excessive free play
1. Steering system joints (worn)
-
2. Suspension arm ball joints (worn) 2WD
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2. Suspension arm ball joints (worn) 4WD
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3. Intermediate shaft, sliding yoke (worn)
-
4. Front wheel bearing (worn) 2WD
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4. Front wheel bearing (worn) 4WD
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5. Power steering link assembly
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Abnormal noise
1. Power steering fluid level (low)
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2. Steering system joints (worn)
-
3. Power steering vane pump TR Series Engine
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3. Power steering vane pump 1GR-FE
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3. Power steering vane pump KD Series Engine
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4. Power steering link assembly
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