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Why is My Car Vibrating?

Sha-sha-sha-shakin’ down the road

When you drive your car, you expect a smooth ride as you cruise down the highway. Lately though, you find yourself feeling like you’ve been through the spin cycle. Shaking and vibrating down the road is no way to drive to work every morning. It’s time to investigate what is going on!


Vibration is usually caused by an out of balance or defective tire, a bent wheel or a worn driveline U-joint. You may find that the car shakes the car in an up and down motion. You may feel vibration through the seat, the steering wheel or even in the brake pedal.

Stop, look and listen

While there are many possible causes of vibration, observing under what conditions the vibration happens will help you and your mechanic find the source of the problem. Here are some things to look for:

  • Does the vibration get worse as the speed increases?
  • Does it happen only at certain speeds? If so, what speeds?
  • Does the vibration seem to be concentrated in the car seat?
  • Is there any abnormal noise when the car shakes?
  • Does the car vibrate while standing still with the engine running?
  • Does the movement seem to be concentrated on the steering wheel?

Let’s take a look at some of the possible causes of vibration.

Wheel and tire problems

The most prevalent cause of vibration is problems with your wheels or tires. The potential problems include improper wheel and tire balance, uneven tire wear, separated tire tread, out of round tires, damaged wheels and even loose lug nuts.

Many of these issues can be avoided by routine car inspections, such as a visual inspection of the wheels and tires, checking and adjusting tire pressure, and checking the tightness of lug nuts. Your regular maintenance schedule should include maintaining proper tire pressure, rotating the tires and balancing the wheels. Wheel alignment should also be performed at proper intervals.

Close up on a tire, specifically tire tread, with a mechanic inspecting it

Worn suspension parts and joints

Looseness in suspension or steering system components can cause your steering wheel to shake. Excessively worn ball joints or tie rod ends make it impossible to properly align your vehicle. Take your vehicle to a mechanic and have them inspect your ball joints and other components to help identify what is causing your steering wheel to shake.

A car lifted at the shop. Mechanic working on suspension of the vehicle under the vehicle

Engine and transmission

If the vibration happens when you are driving and continues when the car is stopped with the engine running or if there is noise when the car shakes, the problem-solving focus becomes the engine and transmission.

A broken or loose engine or transmission mount may be the culprit or even a broken radiator fan. A broken fan will usually be out of balance and cause a noticeable vibration when it is rotating. However, most cars have electrically operated radiator fans that only operate when the coolant temperature surpasses a certain level.

If your vibration is sporadic and happens only when the engine is warmed up, the fan may be the cause, but this would be extremely rare.

Mechanic working on engine transmission

Damaged or worn brake rotors

If you feel vibration in your steering wheel and in your brake pedal, this may be indication that you have a brake rotor issue. If the rotors have excessive run-out or thickness variation, the brake calipers may vibrate while you step on your brake. You may even feel your steering wheel and brake pedal shake Take your vehicle to your trusted mechanic and have them inspect your brake rotors as well as your entire brake system to ensure the safety and proper operation of your vehicle.

Damaged brake rotor

Where to get more help

Once you have a handle on where your vibration problems are coming from, it might be time to take it to your trusted mechanic look at it. With their expertise, they’ll get to the bottom of the problem in no time.

The content contained in this article is for entertainment and informational purposes only and should not be used in lieu of seeking professional advice from a certified technician or mechanic. We encourage you to consult with a certified technician or mechanic if you have specific questions or concerns relating to any of the topics covered herein. Under no circumstances will we be liable for any loss or damage caused by your reliance on any content.

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