Posted by Josh on November 10, 2002 at 20:41:47:
In Reply to: Re: Venting...Of piston valves posted by Art H on November 09, 2002 at 23:25:36:
I was told that valves are not vented by dealers b/c some folks like to use the partial vacuum (and the subsequent "poomp" sound made by depressing the valve) to test the valve's air-tightness.