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new engine noise, help diagnose please... 2004 6.0
So, I just changed both of my Fuel filters four days ago and now I have a new sound coming from under the truck. It sounds like the Glow plugs are running all the time when the engine is running. I can't say that the two are related, but this is the only thing that has changed recently.
Back ground info... 2004 6.0 4x4. I found the the large filter on the frame rail was a little stubborn to remove and also reinstall. Is that common? It was so hard to get off and reinstall that I felt that I was going to crack the housing. I tightened it down as far as I felt comfortable and it looks like there is a very slight gap. I feel that it is is sealed against the rubber gasket and I don't hear any air being sucked in or diesel leaking from the filter housing.
Any ideas? I wanted to try the site prior to go to the dealership...