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.

The average price of a newly mounted and balanced tire with a new valve stem is roughly $125 per tire. That’s $500 for the set of four. If your wheel alignment is out, you could lose that $500 ...

Dear Tom and Ray: I took my 2008 Audi A4 in for routine maintenance. The dealership informed me that it could not check my tire pressure because I had “aftermarket valve-stem covers.” I was ...

Green caps on tire valve stems usually mean the tires are filled with nitrogen instead of ordinary air. Car dealers, tire dealers, repair shops and even some gas stations have touted nitrogen for ...

A small, 50 cent part called a tire valve stem could crack, lead to a blow out and cause a crash. ... He continued, "We don't know how many cars have them.

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 ...