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Home >> Lexus >> 2009 >> ES 350 >> Repair and Diagnosis (Single Page) >> Steering >> Power Steering >> Power Steering System (Inspection) >> Power Steering System >> Problem Symptoms Table >> Problem Symptoms Table
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Problem Symptoms Table

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Use the table below to help determine the cause of the problem. The numbers indicate likely causes of the problem in descending order. Check each part in order. If necessary, repair or replace faulty parts.

POWER STEERING SYSTEM

Symptom Suspected Area See
Hard steering 1. Tire (Improperly inflated) Refer to INSPECTION
2. Power steering fluid level (Low) See step  />
3. Drive belt (Loose) -
4. Front wheel alignment (Incorrect) Refer to ADJUSTMENT
5. Steering system joints (Worn) -
6. Suspension arm ball joints (Worn) Refer to INSPECTION
7. Steering column (Binding) Refer to REMOVAL
8. Power steering vane pump Refer to REMOVAL
9. Power steering gear Refer to REMOVAL
Poor return 1. Tire (Improperly inflated) Refer to INSPECTION
2. Front wheel alignment (Incorrect) Refer to ADJUSTMENT
3. Steering column (Binding) Refer to REMOVAL
4. Power steering gear Refer to REMOVAL
Excessive free play 1. Steering system joints (Worn) -
2. Suspension arm ball joints (Worn) Refer to INSPECTION
3. Front wheel bearing (Worn) Refer to ON-VEHICLE INSPECTION
4. Intermediate shaft, sliding yoke (Worn) -
5. Power steering gear Refer to REMOVAL
Abnormal noise 1. Power steering fluid level (Low) See step  />
2. Steering system joints (Worn) -
3. Power steering vane pump Refer to REMOVAL
4. Power steering gear Refer to REMOVAL