Learn About TiresUpdated: Sep. 04, 2017
There's more to tires than meets the eye
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Why the tire pressure sensor matters
Some tire stores charge a small fee to rebuild the tire pressure sensor when they replace a tire. It may sound like a scam, but it’s completely legitimate. No shop wants to risk damaging four $100 tire pressure sensors while changing your tires. So the technician unscrews each one from the wheel and lets it drop inside the wheel before dismounting the old tire. Once the sensor’s gasket is disturbed, it can’t be reused. To guarantee a leak-free seal on the reinstall, the shop uses a new gasket, washer and retaining nut. Then a special torque wrench is used to tighten the nut. So you’re paying for the parts and labor.
Video: How to Check Tire Pressure with a Digital Tire Gauge
Watch and learn the correct way to check tire pressure with a digital gauge. You’ll find out how often you should be checking your car tire pressure and when is the best time to check it. Digital gauges are inexpensive and easy to use. Once you learn how to check you car tire pressure, keep the tires properly inflated and you’ll get better gas mileage and your tires will last longer.
Directional tires: What they are and what they do
Identifying directional tires
The tread on a directional tire is designed to provide maximum traction and hydroplane resistance when rotated in a certain direction. Some directional tires have a V-shaped tread pattern, but not all. A directional tire will have an arrow embossed in the sidewall showing the direction of rotation. You can rotate a directional tire front to back and vice versa, but you cannot swap them from side to side.
Required Tools for this Project
Special torque wrench
Required Materials for this Project
Avoid last-minute shopping trips by having all your materials ready ahead of time. Here’s a list.
- Tire pressure sensor rebuild kit