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Re: are '05-08 expeditions pretty reliable?
Those have the 3 valve 4.6s and 5.4s and are a VCT engine (Varaible Cam Timing) known for oil sludge buildup.Ford screwed up on these engines and I cannot believe it.They show a filter in the factory shop manual and it is in the cylinder heads.The filters are not available and there is no part number for them.The expeditions do not get great fuel mileage.The suburban gets better fuel mileage with the 5.3.
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