Tech Tips
Use the table below to help determine the cause of the problem. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
| Symptom | Suspected Area | See page |
|---|---|---|
| Hard steering | Tires (improperly inflated) | |
| Power steering fluid level (low) | ||
| Drive belt (loose) TR series Engine | ||
| Drive belt (loose) 1GR-FE | ||
| Drive belt (loose) 5L-E | ||
| Front wheel alignment (incorrect) | ||
| Steering system joints (worn) | - | |
| Suspension arm ball joints (worn) 2WD | ||
| Suspension arm ball joints (worn) 4WD | ||
| Power steering vane pump TR Series Engine | ||
| Power steering vane pump 1GR-FE | ||
| Power steering vane pump KD Series Engine | ||
| Power steering vane pump 5L-E | ||
| Power steering gear | ||
| Poor return | Tires (improperly inflated) | |
| Front wheel alignment (incorrect) | ||
| Steering column (binding) | - | |
| Power steering gear | ||
| Excessive free play | Steering system joints (worn) | - |
| Suspension arm ball joints (worn) 2WD | ||
| Suspension arm ball joints (worn) 4WD | ||
| Intermediate shaft, sliding yoke (worn) | - | |
| Front wheel bearing (worm) 2WD | ||
| Front wheel bearing (worm) 4WD and Pre-runner | ||
| Power steering gear | ||
| Abnormal noise | Power steering fluid level (low) | |
| Steering system joints (worn) | - | |
| Power steering vane pump TR Series Engine | ||
| Power steering vane pump 1GR-FE | ||
| Power steering vane pump KD Series Engine | ||
| Power steering vane pump 5L-E | ||
| Power steering gear |