Quote:
Originally Posted by Adger Smith
Joe,
It just bubbles out the side wall of a Front MT tire. looks like almost a foam when you soap it. It takes a week for it to leak down enough to even appear it is low on the side wall. These are new tires I bought over a year ago and have not been mounted till last week. Guess I will tube it, but that defeats the purpose of a lite weight wheel and tire.. arg..
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Adger,
Many times the bead will get some corrosion and create small and even microscopic pitting that will allow the air to leak. In lieu of a tube, separate the tire from the rim, clean the bead with 500 grit sandpaper, clean both the bead and tire with solvent and apply either weatherstrip adhesive or high-tack adhesive as I suggested earlier. Done this before and it has worked.
Aluminum can be attacked not only by galvanic corrosion , but also by intergranular or exfoliation corrosion when the wheels were formed and the boundary material gets exposed.