Is there an oil leak in my Porsche 911?
Is there an oil leak in my Porsche 911? The issue affected many model years of the 911 — 1999 through 2010, and 2014. The leak appeared in 3.4 liter, 6-cylinder Porsche engines, and occurred at an average of 74, 600 miles. Other owners experienced engine oil leaks at the rear main seal, or at the support cover for the o-ring. When to worry about oil in air intake? It is the first component to look into when the problem occurs although you should not be worried if there is a small amount of oil in air intake. It is...