I'm thinking you'd have to leave that cap on there a couple seasons with trapped salt under the cap to have that happen. Or cheap caps.
I've heard metal caps interfere with TPMS transmission or battery so I don't use them on those cars for that reason.
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'04 Boxster S 50 Jahre 550 Spyder Anniversary Special Edition, 851 of 1953, 6-sp, IMS/RMS, GT Metallic silver, cocoa brown leather SOLD to member Broken Linkage.
'08 VW Touareg T-3 wife's car
'13 F150 Super Crew long bed 4x4 w/ Ego Boost
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