Skip the auto shop - Our mechanics make house calls

Q: Why does my car shake when I hit 40mph??

asked by on

Why does my car boot exceed the speed limit of 40??? It's continuously shakes when I get to 40mph, why???

A: Hey there. From the shaking issue that you’...

Hey there. From the shaking issue that you’re describing, you’ll need to have the tires and rims checked for bent rims or tires that are out of balance. If you used tire sealer to seal one of the tires, then it can be from this or one of the tire weights falling off. Have a tire shop check the balance of the tires and check tires for damages.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Throttle Positions VS Voltage Fluctuation

This may be related to a couple of different possibilities such as a faulty throttle position sensor or potentially a faulty instrument voltage regulator. The throttle position sensor (TPS) is a sensor used to monitor the throttle position of the...

Q: Vehicle shaking

Hi. Out of balance wheels are typically the most common cause for shakes or vibrations, but there are many other possible causes. They include, loose suspension/ steering parts, an engine misfire, or even a tire that has a bubble or...

Q: Tire rotation for all-wheel drive and low profile tires - 2015 Infiniti Q50 Sport

Hello. The recommendation for tire rotation is every 7,500 miles. I would simply rotate them at every oil change. Being that it is all-wheel drive, you need to keep up on this as you do not want much variation in...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.