Posted by Jim.ME on July 14, 2021 at 10:08:28 from (67.242.178.40):
In Reply to: Leaking tire valve posted by super99 on July 13, 2021 at 17:42:09:
I just want to clarify some terms here for future readers, because I have seen good core housings thrown away when just changing the core in the rescued core housing solved the problem.
super99's picture is a core housing, not a core, not a stem. It is used in a liquid fill valve stem (either on a tube or in a rim). There is a common valve core inside that housing that can be changed. The core housing does not normally need to be changed, in my experience the core is the most common leak. In super99's case the core housing did need changing as the end of the housing (opposite the threaded end) should have had an O-ring in a groove, which seals inside the valve stem. As he said the end was broken off, so it lost that seal in the stem.
A tire shop that services ag or construction tires should have core housings readily available. TSC and other farm stores usually have some if they have a Slime display. The core in the housing is the same core used in auto valve stems, easily found and replaced.
brentb, you must have a serious boat trailer to have had that same problem. While I know it is not impossible, I seriously doubt you have liquid fill valve stems on a boat trailer tire. I would sooner believe a broken metal valve stem on a tubeless tire.
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