While they usually go unnoticed until you lose one, tire valve caps do serve an important purpose. But are they universal, ...

A key component of automotive tires is the tire valve stem, which can develop issues from time to time. Replacing it isn't all that simple, though.

Hold the valve stem in your fingers, and bend it as far as you can in a circle. You need to visualize the rubber where it comes out through the hole in the rim, and you need to see all 360 degrees.

CARS.COM — Tire pressure monitoring systems, or TPMS, have been required on all vehicles since the 2008 model year and can be found on many earlier cars, as well.

Yep, I’m referring to its trick, 90-degree valve stems. Take one glance at the wheels and it’s impossible to miss them; they stand out with their silver finish against the dark satin void of ...

The aluminum wheel valve stem with an O-ring is a different story. The O-ring at the base is compressed on the inside of the rim to create an air-tight seal.

Some cars are even sold with the telltale green caps on valve stems, ... As anyone who has had a flat tire can explain, tires don’t hold up a car by themselves: They need to be filled with air.

TPMS sensors, typically installed inside the tire's air valve stem, can be either mechanical or electronic. The mechanical TPMS sensors use a diaphragm and a spring to sense the pressure changes. In ...

The standard engine on the Explorer Tremor is a turbocharged 2.3-liter four-cylinder EcoBoost producing 300 horsepower.

Gulf States Toyota couldn't rule out the possibility of damaged tire valve stems either. That's only the first of two reasons for this recall, which the federal watchdog refers to as number 23V-485.