Perform a road test before diagnosis. Consider the following systems during the diagnosis:
| • | The suspension system |
| • | The tires and wheels |
| • | Inspect the tires for incorrect air pressure and uneven wear. |
| • | Inspect the joints, from the steering column to the steering gear, for loose connectors or wear. |
| • | Inspect the following components for any loose or damaged components: |
| - | The front suspension |
| - | The rear suspension |
| - | The steering gear |
| - | The linkage |
| • | Inspect the tires for the following conditions: |
| - | Out-of-round tires |
| - | Out-of-balance tires |
| - | Bent wheels |
| - | Loose or rough wheel bearings |
| • | Inspect the power steering system for leaks. Refer to Power Steering Gear and Pump Leaks . |
| • | Inspect the power steering fluid level. Refer to Checking and Adding Power Steering Fluid . |