Quote:
Originally Posted by Lincoln Hawk
Yes 5000 miles before thiS I had the oil filter housing gasket replaced by the dealer.
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If the tech that did that repair wasn't careful they can introduce coolant or debris directly into the filtered oil passage which goes directly into the engine. Every N55 I've heard of failing has either just recently had the oil filter housing gaskets done, or let the leak go on so long that coolant and oil ended up mixing.
When you get the new motor put in, you really shouldn't even have to worry about those oil filter gaskets for at least a good couple years. When it comes time, make sure it's done properly and you aren't likely to run into a problem. The N55 has really proven itself pretty reliable so far (at least in my experience.)