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What causes your steering wheel to shake when you hit a bump?

Several reasons might cause your steering wheel to shake when you hit a bump:

Unbalanced or damaged wheels: Improperly balanced wheels or deformed rims can cause vibration in the steering wheel. Worn-out tires can also contribute to this issue.

Loose wheel components: If the lug nuts or wheel bolts are loose, it can also lead to shaking when hitting bumps. Make sure the wheels are properly tightened according to the manufacturer's specifications.

Worn-out suspension components: Worn-out or damaged suspension components, such as ball joints, tie rod ends, or control arm bushings, can result in shaking in the steering wheel. These components play a crucial role in maintaining proper wheel alignment and stability.

Damaged steering rack or linkage: A damaged or worn-out steering rack or its linkage can cause vibration in the steering wheel. The steering rack is responsible for converting the rotational motion of the steering wheel into the left-right movement of the wheels.

Driveline issues: In some cases, a shaking steering wheel can indicate problems with the driveshaft or other components in the driveline, such as worn-out CV joints.

If you experience a shaking steering wheel, it's essential to have your vehicle inspected by a qualified mechanic to determine the exact cause and address the issue appropriately. Ignoring the problem can compromise your vehicle's handling, stability, and overall safety.