Question about 2004 Dodge Ram

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2004 overheating at highway speeds

I have a 2004 dodge with 4.7 that overheats at highway speeds put cools down at slower speeds

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I had a 4.7 doing the same thing, it was the radiator had clogged up at the bottom. So, when you hit highway speed it could not cool down fast enough. The reson i a putting a comment on a old post because if anyone seaches and pulls this up at least they can find a resolve.

Posted on Jul 05, 2012

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Check rad cap & check your rad hoses for one that may feel soft & collapsing & restricting flow under higher speeds. Sometimes you can see it **** in when you rev engine in park. Especially lower hose.

Posted on Jun 27, 2009

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