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.

You’ll start by removing the little cap on your wheel’s valve stem (the little rubber dingus that’s poking out of your rim) and pushing the pressure gauge firmly against the brass valve.

For the most common tubeless radial truck tires with a 5 degree drop center steel wheel and 0.625" diameter valve hole, valve stems TR500 and TR501 are typically spec'ed.

ROCHESTER HILLS, Mich. (June 19, 2001)—Like Rodney Dangerfield, the lowly tire valve stem just doesn't seem to get any respect. It's a piece of hardware that is usually taken for granted and readily ...