Question about 2004 Ford Excursion

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Hello Have 2000 excursion with oil in the water. Runs good, no overheat, no water in oil. Radiator had some film that looked like brown mud when I got the vehicle. Just changed the oil and now have fresh oil in the radiator. almost a quart within two days.

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  • pafau29 Apr 28, 2010

    I ordered an engine oil cooler. I followed the radiator lines and found they go into an oil cooler mounted to the block. The oil filter goes into it. I googled this and found people with bad oil coolers. This thing dumped a quart of pure oil into the radiator in 15 minutes today without ever running odd or hot. I can't think of anything else. I called ford and they said the gasket between the oil cooler and block is internal above the oil filter, like an o-ring and it goes bad. Does this make sense?

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  • Ford Master
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Not good, I was hoping it was the transmission cooler, but,,,, Get it to a radiator shop and have them check it. It might run fine for weeks , but it will give up the ghost soon. It is most likely a head gasket. Keep an eye on the temp gauge, don't let it over heat, and keep an eye on the coolant level. And the oil. The radiator shop will do a compression check. Hope this helps.

Posted on Apr 27, 2010

  • Ned  White
    Ned White Apr 28, 2010

    Yes it does make sense, and that is the first thing I thought, but was thinking a transmission cooler, not engine oil. I had an O-ring go bad in the cooling unit and replaced with one off the rack at the hardware store, nothing special. Worked perfect. So I guess you take that thing down and get it patched up, Or are they saying that it can't be gotten to? Without dumping the pan or something? They make all kinds of aftermarket stuff, and even going the extreme custom hot rod stuff, They make external everything, oil coolers, filters, I would think a cooler that catches air and not one attached to the radiator would be better. Why heat up the coolant? Cap off the coolant lines, get the filter back to normal, put on an external cooler that catches air. Hope this helps.

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  • Master
  • 468 Answers

Oil in the radiator means either a blown head gasket, cracked cylinder head, or cracked block. You need to have this checked out immediately, as you will ruin your engine running it this way.

Posted on Apr 27, 2010

  • Dustin Apr 28, 2010

    A simple gasket going bad makes no sense at all. The point where the oil line comes out of the block for the filter and cooler lines has no exposure to antifreeze. If the oil cooler i integral to the radiator, then it is possible that the cooler has ruptured. A way to troubleshoot this, is to clamp a hose connecting the two cooler lines after disconnecting them from the cooler, (won't affect performance unless you're pulling a LOT of weight) and see if you continue to get oil in it. If the oil cooler isn't integrated into the radiator, I'd have to disagree with the cooler being the cause.

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