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Problem Symptoms Table

WARNING: This page is about a different car, the 2004 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

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. Repair or replace parts as necessary.

PROBLEM SYMPTOMS TABLE - POWER STEERING SYSTEM

Symptom Suspect Area
Hard steering
  1. Tires (Improperly inflated)
  2. Power steering fluid level (Low)
  3. Drive belt (Loose)
  4. Front wheel alignment (Incorrect)
  5. Steering system joints (Worn)
  6. Suspension arm ball joints (Worn)
  7. Steering column (Binding)
  8. Power steering vane pump
  9. Power steering gear
Poor return
  1. Tires (Improperly inflated)
  2. Front wheel alignment (Incorrect)
  3. Steering column (Binding)
  4. Power steering gear
Excessive play
  1. Steering system joints (Worn)
  2. Suspension arm ball joints (Worn)
  3. Intermediate shaft, Sliding yoke (Worn)
  4. Front wheel bearing (Worn)
  5. Power steering gear
Abnormal noise
  1. Power steering fluid level (Low)
  2. Steering system joints (Worn)
  3. Power steering vane pump
  4. Power steering gear
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