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Why Does My Tire Pressure Change by Itself?
7/12/2018 10:33:37 AM
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Fall weather in many areas can bring a large fluctuation in temperatures between daytime and nighttime. These changes in temperature can cause your tires to lose pressure as the air inside them expands and contracts. This triggers the “Check Tire Pressure” light on your dashboard. This light is known as the TPMS, or Tire-Pressure Monitoring System. For many of us, this light can be an alarming surprise. However, there is no need to panic. The light does not necessarily mean your tires are leaking.
During the fall season, when daytime temperatures are much higher than at night, keeping your tire pressure consistent can be a challenge. As temperature levels change, so does the air pressure in your tires. It’s the same as when you drive at higher speeds for an extended period: the tire warms, and the air within expands and increases pressure.
In the morning, the air temperature is just rising from overnight lows, and your tires are still cool from being parked. The air pressure in the tire is at its lowest for the day. More than likely, the pressure is just below the threshold for the light to be activated. Once you start driving and the tires heat up, pushing the pressure above the threshold, the light will go out. If the light remains off for the rest of the day, it’s because the air temperature is warm enough to keep the pressure above the threshold. Even if the light goes off quickly, you still may need to add a small amount of air to your tires since the pressure must be near the borderline of the recommended inflation level.
Checking your tire pressure and adding air is a simple task, but you must have the proper equipment. To check the pressure, you will need a high-quality pressure gauge. Compare the pressure in your tires to your owner’s manual or the sticker on the doorjamb of your car and add air accordingly using a compressor.
For any questions or tips, feel free to come by our shop. We have the equipment and knowledge necessary to ensure your tires are properly inflated.
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United Tire & Service
15 Evergreen Dr,
Concordville, PA 19331
Phone:
610-859-4416
Fax:
19331
39.88292,-75.52377
United Tire & Service
637 West Bridge St,
Phoenixville, PA 19460
Phone:
(610) 634-8399
Fax:
19460
40.12979,-75.52659
United Tire & Service
1140 Easton Rd,
Willow Grove, PA 19090
Phone:
(267) 662-2033
Fax:
19090
40.15891,-75.12309
United Tire & Service
87 E Lancaster Ave,
Paoli, PA 19301
Phone:
(610) 723-7664
Fax:
19301
40.04239,-75.47919
United Tire & Service
340 Street Rd,
Southampton, PA 18966
Phone:
(267) 223-7298
Fax:
18966
40.17837,-75.0511
United Tire & Service
224 E Street Rd,
Feasterville, PA 19053
Phone:
(267) 662-2239
Fax:
19053
40.14797,-74.99648
United Tire & Service
4094 Chestnut Street,
Emmaus, PA 18049
Phone:
(610) 967-5625
Fax:
18049
40.51937,-75.52203
United Tire & Service
614 Westtown Rd,
West Chester, PA 19382
Phone:
(610) 590-8479
Fax:
19382
39.95898,-75.58625
United Tire & Service
980 E Lancaster Ave,
Downingtown, PA 19335
Phone:
(610) 590-9116
Fax:
19335
40.01662,-75.68335
United Tire & Service
100 Robbins Rd,
Downingtown, PA 19335
Phone:
(610) 590-8493
Fax:
19335
39.99897,-75.70103
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