Two problems related to engine head gasket leaking have been reported for the 2006 Subaru Forester. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Subaru Forester based on all problems reported for the 2006 Forester.
Head gasket leaking oil confirmed by dealer in September 2011.
Head gasket leaking oil again (5000miles later) after being repaired by Subaru dealer while car was under warranty. Can smell hot oil after a long drive on freeway and have seen wisps of smoke coming from under hood. There is the potential for an underhood oil fire if leak gets worse.