Make sure you do not have crankcase air leaks.

Lack of enough crankcase vacuum can cause some of the seals to leak easier.

Also do not rule out the Oil Filter Housing Gasket (OFHG) as a source of a leak that can cause oil to look like it may be leaking from other locations.

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2008 4.8i Black with Tabacco. Black Y-spoke wheels and shadowline trim.