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Buy 3 Select Tires, Get the 4th Free Instantly

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Buy 3 Select Tires, Get the 4th Free Instantly
Buy 3 Tires, Get 4th Tire Free Instantly. Receive a discount equal to the price of a single tire when four tires are added to the cart. Valid on select in stock tires only. Those tires for which discount is available will be identified in search results & product detail pages. All other tires and special order tires are excluded from this offer. Valid when scheduled for installation on PepBoys.com and installation is completed between 12/1/16 through 12/7/16.


Buy 2 Tires, Get 10% Off
Receive 10% off 2 tires on your online purchase. Use promotional code ROLLOUT10 at checkout to receive discount. This offer cannot be combined with any other offers, coupons or rebates. Valid on select in stock tires only. Those tires for which discount is available will be identified in search results & tire detail pages. All other tires, as well as special order tires, are excluded from this offer. Valid if purchased online or installed by 12/7/16.

Check your tires in the morning, while they are still cool. The air in your tires expands while you drive, so for an accurate reading, be sure to check when they have cooled down for three hours or more. The tire pressure should especially be checked when the temperature has dropped because tires can lose 1 to 2 lbs. of air pressure for every 10°F the temperature drops outside.

Before you can measure your tires’ air pressure, you need to know the vehicle manufacturer’s recommended pounds per square inch (PSI) reading. This can be located in your driver’s manual. Your tires at their correct PSI will also be more fuel efficient, helping you save gas.

Note : Your front tires may require a different PSI reading than the rear tires.

  1. A digital gauge will give you the most accurate reading.
  2. First, unscrew the valve stem cap from the valve stem.
  3. Press the air pressure gauge evenly onto the valve stem and record the readings displayed on the gauges. If you are using a standard tire pressure gauge, take note of the reading on the PSI pencil ruler.
  4. If the reading is the same as the manual’s specifications, replace the valve stem cap and move on to the next tire.

You can find an air compressor at your local gas station, or purchase one
from us.


Tires perform most effectively when at their correct PSI, so be sure to repeat this process once a month. Depending on where you live, you may experience frequent changing temperature, which causes your tires to experience a fluctuation in air pressure. The summer heat and winter cold are the two seasons that have the biggest effect on tire pressure. The last thing you need is a tire blowout, so be sure to check your tires as frequently as you can!
If you want to learn more about tire pressure, check out our Importance of Tire Pressure and How to Avoid a Tire Blowout pages. Our service center is here for you 7 days a week, so if you need your tires checked out, please feel free to make an appointment
with your local Pep Boys.