I'll tell you what works amazingly well on such leaks. A product that comes in a CheezWhiz type container called "The Right Stuff." You can wipe off the area and use your fingers to force this stuff into the leak, while the pan is empty and it will seal up remarkably well.

Hope this helps.

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2001 SLK 320 six speed manual
2014 Porsche Cayenne six speed manual

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