Why does steering wheel shake when braking?

Why does steering wheel shake when braking?

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Introduction

When you apply the brakes while driving, it can be concerning if your steering wheel starts to shake or vibrate. This phenomenon is commonly experienced by many drivers and can be attributed to several factors. In this article, we will explore why the steering wheel shakes when braking and discuss the possible causes behind this issue.

Brake Rotor Warping

Brake rotor warping is one of the primary reasons for a shaking steering wheel when braking. The brake rotors, also known as brake discs, are the metal discs that the brake pads clamp onto to slow down or stop the vehicle. Over time, the intense heat generated during braking can cause the rotors to warp. This warping leads to an uneven surface, which in turn causes the steering wheel to shake when the brakes are applied.

Uneven Brake Pad Wear

Another common cause of steering wheel shaking during braking is uneven brake pad wear. Brake pads are designed to wear evenly, but factors such as aggressive driving, uneven braking habits, or lack of proper maintenance can lead to uneven wear. When the brake pads wear unevenly, they do not make consistent contact with the rotors, resulting in vibrations that can be felt through the steering wheel.

Tire Issues

While brake-related issues are often the primary culprits, tire issues can also contribute to steering wheel shaking when braking. If your tires are not properly balanced or aligned, it can cause vibrations that are felt throughout the vehicle, including the steering wheel. Additionally, worn or damaged tires can exacerbate the shaking sensation when braking.

Suspension Problems

Problems with the suspension system can also cause the steering wheel to shake when braking. The suspension system is responsible for providing a smooth and stable ride by absorbing shocks and vibrations. If components of the suspension system, such as struts or control arms, are worn or damaged, it can lead to vibrations that are transmitted to the steering wheel during braking.

Brake Caliper Issues

Issues with the brake calipers can also contribute to steering wheel shaking. The brake calipers house the brake pads and are responsible for applying pressure to the rotors. If the calipers are sticking or not releasing properly, it can result in uneven braking and vibrations that are felt in the steering wheel.

Conclusion

In summary, there are several potential causes for a steering wheel to shake when braking. Brake rotor warping, uneven brake pad wear, tire issues, suspension problems, and brake caliper issues are all factors that can contribute to this phenomenon. If you experience a shaking steering wheel while braking, it is important to have your vehicle inspected by a qualified mechanic to identify and address the underlying cause.

References

– cars.com
– popularmechanics.com
– repairpal.com