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Porsche 911

Report: Rear Main Seal/Intermediate Support Cover O-ring may Leak Oil

Porsche 911 Problem
14 Reports
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Model Years Affected: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

Average Mileage: 22,450 mi (20,600 mi - 24,300 mi)

Verified

Engine oil leaks can occur at the rear main seal and/or intermediate support cover o-ring; a revised seal is available. A careful diagnosis with proper tools is necessary to verify dimensional accuracy of the crankshaft to engine block.

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