Q: ​I had a beautiful VW Scirocco that used oil at an increasing rate. Finally, a VW mechanic told me that the problem was ...

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

Measuring valve stem seal performance. Valve stem seals must accomplish two contradictory goals. First, they must seal the valve stem completely and reduce—and ideally eliminate—any fugitive emissions ...

The loose tolerances allow the valve stem to move laterally in the guide, ... If you've experienced oil-control problems, the Viton valve-stem seal could dry them up. See All 8 Photos.

Valve seal cutters can also be purchased outright, for about $7.50. Manley has five different sizes available for specific seal I.D. dimensions and valve stem diameters.

But with leaky valve-stem seals, oil seeps into the combustion chamber from above and quickly burns off when the motor is started. Turn the engine off, and the cycle starts again.

The United States remains a highly lucrative market for automotive valve stem seal manufacturers. According to the latest analysis, demand for automotive valve stem seals in the USA is projected ...

SKF has announced it has developed and patented a new valve stem seal for engine applications for heavy-duty vehicles. For the Driver. Refrigerated Transporter. HD Pickup & Van. Social Media.

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.

Colby Valve (colbyvalve.com) now offers their Emergency Tire Valve System. It’s a specialty valve stem that inserts from the outside and uses a rubber piece that is compressed to seal the valve ...