What Happens If I UnderInflate My Tires?

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Your car’s tires have been specially matched to your vehicle. The size, type, and rating, as well as the optimum tire pressure are all factors in making sure your vehicle performs to its best ability. Changing your tire pressures so they are below your car manufacturer’s rating can be not just ineffective, but dangerous.

Optimum tire pressure takes into account:

  • Handling
  • Tread wear and tire life
  • Fuel economy
  • A comfortable drive

What happens if you underinflate your tires?

There can be marginal benefits to underinflating your tires. A lower tire pressure makes the tire softer, meaning a smoother ride. This is a technique used by some who feel their suspension is too harsh. By decreasing tire pressure, it compensates for stiff suspension slightly.

Lower tire pressure increases the contact patch with the driving surface. For specialty vehicles, such as off-road vehicles like rock crawlers, this increases the grip on all-terrain surfaces and obstacles.

Concerns about underinflating your tires

Decreasing your tire pressure can have detrimental effects on your vehicle’s operation. The softer sidewall exaggerates the sway your vehicle experiences when cornering, and in top-heavy vehicles it can cause rollovers.

When an underinflated tire hits a pothole, it increases the possibility of damaging a tire. Damage can occur if a tire is even 6 psi lower than it should be.

Underinflated tires wear excessively on both inner and outer shoulders. The decreased tire pressure means the center of the tread bows in slightly, meaning the tire is riding heavily on the outer edges.

Your tire pressures have been stringently researched by your automaker and should be adhered to for the optimum tire wear and comfort.


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Pardeep

20 years of experience
652 reviews
Pardeep
20 years of experience
Ford Fusion - Brake Pads Replacement (Rear) - Fremont, California
Again 5 star service. And already scheduling him for my next appointment. Highly recommend Pardeep for your car needs.
Chevrolet Camaro - Brake Pads Replacement (Front) - San Jose, California
Great knowledgeable mechanic and fast great work. I will use Pardeep and your services again. Thank you

Theodore

15 years of experience
1137 reviews
Theodore
15 years of experience
Toyota Camry - Brake Pads Replacement (Front) - Everett, Washington
Theodore arrived on time, he did a great job replacing my brakes on my Camry, I will definitely work with him again.
Subaru Outback - Brake Pads Replacement (Front, Rear) - Renton, Washington
We have had previous work done by Theodore. Really appreciate his thoroughness and professionalism!

Matthew

32 years of experience
734 reviews
Matthew
32 years of experience
Jeep Wrangler - Brake Pads Replacement (Front) - Yorktown, Virginia
We've been using Your Mechanic services for a few years, for a few reasons. The convenience of having an expert mechanic "on-call," the great pricing and transparency for services (saving 10% - 25% at times), most of all Matt is our go-to guy who is highly qualified, knowledgeable in the work and knows how to explain it to us in detail.
Ford F-150 - Brake Pads Replacement (Front) - Newport News, Virginia
Matt's technical knowledge of his profession is incredible! He is prompt, thorough, friendly, professional, engaging, and completes the job to 100% perfection! Thank you, Matt for the most outstanding auto repair service in all my many years!!!

Jason

31 years of experience
162 reviews
Jason
31 years of experience
Nissan Altima - Brake Pads Replacement (Front) - San Mateo, California
Jason was very professional and friendly. He provided extremely honest and helpful advice on issues with my Altima that would require proactive future maintenance.

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