We have seen some compelling but anecdotal evidence suggesting that wheel-end tightness can affect fuel economy — sometimes significantly. Joel Morrow, head of research and development, Ploger ...

Somewhere between the thickness of a human hair and a sheet of paper. That’s the tolerance you’re toying with when adjusting wheel bearings. Various sources put the diameter of an average strand of ...

When it comes to making the wheels turn on today's tractor-trailers, wheel bearings continue to play a critical yet unheralded role. Stemco explains that there are four critical wheel-end components: ...

Just like changing a flat tire, start by cracking loose your lug nuts while the tire is still on the ground. Once loose, slide a jack under the axle and raise the tire off the ground. Continue ...

Wheels may make the world go around, but any major problems in the wheel-end system can make a good day turn bad. Proper wheel-end maintenance is vital to keeping you from being stranded on the side ...