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Why would the steering wheel shake while braking?

1. Warped Brake Rotors: One of the most common causes of a shaking steering wheel during braking is warped brake rotors. When brake rotors become warped, they can cause the brake pads to vibrate, which in turn causes the steering wheel to shake. Warped rotors can be caused by a number of factors, including overheating, uneven wear, and corrosion.

2. Uneven Tire Wear: Uneven tire wear can also cause the steering wheel to shake during braking. This is because uneven tire wear can cause the tires to pull in different directions, which can put a strain on the steering system. Uneven tire wear can be caused by a number of factors, including misaligned wheels, worn suspension components, and improper tire inflation.

3. Worn Ball Joints: Worn ball joints can also cause the steering wheel to shake during braking. Ball joints are responsible for connecting the steering knuckle to the control arm. When ball joints become worn, they can allow the control arm to move excessively, which can cause the steering wheel to shake.

4. Faulty Wheel Alignment: Faulty wheel alignment can also cause the steering wheel to shake during braking. This is because faulty wheel alignment can cause the tires to pull in different directions, which can put a strain on the steering system. Faulty wheel alignment can be caused by a number of factors, including hitting potholes, curbs, or other obstacles.

5. Loose Steering Components: Loose steering components can also cause the steering wheel to shake during braking. This is because loose steering components can allow the steering system to move excessively, which can cause the steering wheel to shake. Loose steering components can be caused by a number of factors, including wear and tear, corrosion, or poor maintenance.

If you are experiencing a shaking steering wheel during braking, it is important to have your vehicle inspected by a qualified mechanic as soon as possible. This will help to identify the source of the problem and ensure that it is repaired correctly.