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Why does the steering wheel shake at high speeds?

Several factors can cause a steering wheel shake at high speeds, here are some of the common causes:

Wheel Imbalance:

- An improper wheel balance can cause vibrations at specific speeds. When wheels are not balanced properly, they create an uneven weight distribution, leading to a shaking steering wheel.

Tire Issues:

- Uneven tire wear, bulges, or defects can cause vibrations.

Improper Alignment:

- Incorrect alignment of the wheels can lead to vibrations. Proper alignment ensures that the tires are making contact with the road evenly.

Worn Suspension Components:

- Worn or damaged suspension parts such as ball joints, tie rods, or control arms can cause vibrations at high speeds.

Faulty Steering System:

- Issues with the steering rack, power steering pump, or steering column can contribute to steering wheel shaking.

Loose or Damaged Engine Mounts:

- A faulty or loose engine mount can cause vibrations that are transmitted to the steering wheel.

Driveline Issues:

- Problems with the driveshaft, CV joints, or wheel bearings can cause vibrations.

Brake Issues:

- Warped brake rotors or uneven brake pad wear can lead to vibrations when braking at high speeds.

When experiencing a shaking steering wheel at high speeds, it's important to have your car inspected by a qualified mechanic to identify and address the underlying issue.