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Why does the steering wheel wobble when accelerating?

There are several possible reasons why the steering wheel wobbles when accelerating:

1. Unbalanced Wheels: If your tires or wheels are unbalanced, it can cause vibration in the steering wheel, especially during acceleration. Unbalanced wheels mean that the weight of the tire and wheel assembly is not evenly distributed. This can be due to uneven wear or a manufacturing defect.

2. Tire Issues: Worn-out tires, particularly those with uneven wear patterns, can also lead to steering wheel vibrations. Additionally, if the tire pressure is too low, the sidewalls of the tires may flex excessively, causing the steering wheel to wobble.

3. Suspension Problems: Issues with the suspension components such as worn tie rods, ball joints, control arm bushings, or loose or damaged wheel bearings can cause vibrations. When the suspension is not functioning properly, it can affect wheel alignment and cause a wobble in the steering wheel.

4. Driveline Problems: In some cases, a faulty driveshaft or CV joint can cause vibration. The driveline is responsible for transmitting power from the engine to the wheels, and if there's a problem with any of the components, it can lead to vibrations.

5. Engine Issues: In rare cases, engine problems like a misfiring cylinder, engine mount problems, or a vacuum leak can cause vibrations that can be felt through the steering wheel.

To correctly diagnose the issue, it is recommended to have the vehicle inspected by a professional mechanic. They can safely lift and inspect the wheels, suspension components, and other potential causes to determine the exact source of the wobble.