Why do my tires need air every week?

Valve stems deteriorate and leak air due to the exposure to lots of chemicals on the road. Usually, drivers get a new set along with the new tires. However, if a tire loses air slowly yet over 1-3 psi a month, they may need replacement earlier. Over-tightening valve cores may also be one of the reasons of the leak.
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Why do my new tires keep losing air?

Improper Seal – New tires can go flat if they don't seal properly. A simple mistake such as not cleaning the seal properly or failing to remove a label can lead to an improper seal. Tires may not get a proper seal when there's a problem with the rim.
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Why is my tire losing air but no hole?

Flat tires aren't always caused by a hole in the rubber. Instead, a malfunction or leak in the valve stem can be the culprit. The valve stem is the part of the tire that you unscrew when adding air. Any damage or even dirt on this small piece could cause your tire to lose air until it's completely flat.
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Why are all 4 of my tires losing air?

The truth is, tires lose pressure daily. In cool weather, a tire will typically lose one or two pounds of air per month. In warm weather, tires lose even more air. That's why it's recommended that you check air pressure every other time you stop to fill up your gas tank.
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How often should you put air in your tires?

A good rule of thumb to remember is that your tires lose about one PSI every month after you fill them, so checking every month can help you to ensure that they are always inflated to the proper pressure. You won't see quite as many tire pressure warning lights in summer, but you should still be checking often.
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Finding a leak in a tire: Why your tire keeps losing air



Do tires lose air when not driven?

Tire Deterioration

Your wheels carry the full weight of the car, so when your vehicle is left in one stationary position, your tires can soon become deflated, flat, rotten, or warped. While inflating the tires can help, it's not always safe to drive on tires that sat in the garage for too long.
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Is 35 PSI too much for tires?

On newer cars, the recommended pressure is most commonly listed on a sticker INSIDE the driver's door. If there's no sticker on the door, you can usually find the specs in the owner's manual. Most passenger cars will recommend 32 to 35 psi in the tires when they're cold.
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Why are my tires losing air pressure so quickly?

Valve stems deteriorate and leak air due to the exposure to lots of chemicals on the road. Usually, drivers get a new set along with the new tires. However, if a tire loses air slowly yet over 1-3 psi a month, they may need replacement earlier. Over-tightening valve cores may also be one of the reasons of the leak.
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How do I find a leak in my tire?

Mix liquid soap with water in a spray bottle and spray all parts of the tire — tread, sidewalls, the valve stem and opening (with the cap removed), and along the rim on both sides — with the soapy water until you find a spot where bubbles start to form. That's where the air is leaking.
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Can a slow leak in a tire be fixed?

The leak should then be permanently fixed using a proper tire repair consisting of a cured rubber stem and repair unit. If the leak is caused by a damaged valve, a trained tire technician can typically replace the valve at a minimal cost. In some cases, however, the tire may need replaced.
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How much does it cost to fix a leak in a tire?

How Much Will A Tire Repair Run You? While a tire repair won't cost you an arm and a leg, it will cost you a bit of your time. If you're looking into having a puncture repaired on a tire, you're looking at spending on average between $10 to $20 dollars.
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Why do car dealers over inflate tires?

Tires are overinflated during the shipping process, so as to help prevent the flat spot from forming in the tire as it sits for days on in during the shipping process. It is supposed to be part of the delivery check process that the service department deflates the tires to the proper pressure.
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Is 40 PSI OK for tires?

The recommended level for the tires of famous sports cars and passenger cars is between 32 -40 psi. The specific index will be specified depending on the type of vehicle. Note that this level is recommended when the tire is cold, so you must recheck it for proper adjustment after a long trip.
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Is it better to over or under inflated tires?

So, when filling your tires, the recommended tire pressure is the best compromise between handling, comfort, fuel economy and safety. But it's certainly fine to go over the recommended inflation by a psi or two. And going over is always better than going under.
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Is 42 tire pressure too high?

Normal tire pressure is usually between 32~40 psi(pounds per square inch) when they are cold. So make sure you check your tire pressure after a long stay and usually, you can do it in the early morning.
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Is 37 PSI tire pressure too high?

Higher pressure generally is not dangerous, as long as you stay well below the “maximum inflation pressure.” That number is listed on each sidewall, and is much higher than your “recommended tire pressure” of 33 psi, Gary. So, in your case, I'd recommend that you put 35 or 36 psi in the tires and just leave it there.
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Should I add air to cold tires?

Yes, you typically need to inflate your tires in cold weather. As we'll explain, low temperatures often mean low tire pressure, and low tire pressure could mean dangerous driving conditions.
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How long are tires good for?

On average, people drive between 12,000 to 15,000 miles a year, which means the average good quality all-season tire will last somewhere between three and five years, depending on maintenance, driving style and conditions, etc.
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How long does it take for a tire to go flat with a nail in it?

All it takes is to run over a nail, and your tire flattens in a matter of seconds. An easy solution would be to watch where you are going and avoid things lying in the road. However, it's difficult to see a nail or jagged shard of metal lying on the road while driving at 55 mph.
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Why do my tires keep losing air in the winter?

Colder temperatures will cause tire pressure to drop about 1 pound per square inch for every 10° F drop in air temperature. If you don't fill up at home, the warning light may turn off after driving a few miles because of heat building up in the tires.
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How do I know if my valve stem is leaking?

First, you need to determine if your valve stem is leaking or not. You can do this by rubbing a mixture of dish soap and water over the uncapped valve stem with your finger. If bubbles begin to form it means air is escaping and the valve is leaking.
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How can I tell if I have a slow leak in my tire?

What Are the Signs of a Slow Tire Leak?
  1. Frequent flats after you have one or more of your tires replaced.
  2. Low tire pressure after your car is parked for a long period of time.
  3. Low tire pressure in just one tire while the other tires maintain adequate pressure.
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Why do I keep getting nails in my tires?

Driving over It

Nails and screws in your tire are most frequently obtained by driving over them. One thing you'll notice about the screw-on tire issue is that it primarily impacts the back wheels, which makes sense.
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Can I drive with a slow leak?

Driving with a slow leak in your tire is potentially dangerous because it can cause a flat tire. Once the tire becomes flat, it can become a blowout hazard. A blowout can cause you to lose control of the vehicle, putting yourself and others at risk for a car accident.
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