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  1. Porsche Cayenne Generation 2 Discussion Forum
    My mechanic tells me I have a serious oil leak at the timing cover due to bolts heads popped off. It's a $3-$4k repair. I know this was an issue with Gen1 Cayennes using magnesium bolts on an aluminum cover. Has anyone experienced this and gotten relief from Porsche? Mine is a 2013 GTS.
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