Thread: Why has this happened to my tyre valves?
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Old 18th April 2017, 06:45 PM
mattylondon mattylondon is offline
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Join Date: Apr 2014
Location: Norwich & L'viv
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It does look like galvanic corrosion of some sort, usually happens when steel and brass touch. Odd that it should occur in a plastic dust cap.
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2004 A8 3.7q, 1998 A4 2.8q, 1994 Coupe 2.8q SORN,
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