Coolent Problem!! - Ford Powerstroke Diesel Forum
 
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post #1 of 6 Old 12-20-2011, 11:16 AM Thread Starter
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Coolent Problem!!

I drive a 2004 6.0 and one day after driving it on the highway i got out of my truck and noticed that coolent had splashed all over the driver side wheel well... like a lot of it. It almost looks like its leaking out of the cap but im not sure. I checked the resivour and it didnt seem to have any leeks at all! it only happens when i drive the truck hard! i cant figure it out... is the coolent blowing out the cap? should i replace the cap or the whole thing? please help! thank you!!
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post #2 of 6 Old 12-20-2011, 11:21 AM
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Originally Posted by fordoffroader101 View Post
I drive a 2004 6.0 and one day after driving it on the highway i got out of my truck and noticed that coolent had splashed all over the driver side wheel well... like a lot of it. It almost looks like its leaking out of the cap but im not sure. I checked the resivour and it didnt seem to have any leeks at all! it only happens when i drive the truck hard! i cant figure it out... is the coolent blowing out the cap? should i replace the cap or the whole thing? please help! thank you!!
You can try the cap but what you are describing is the classic EGR cooler failure.
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post #3 of 6 Old 12-20-2011, 11:24 AM
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Also will puke coolant if the reservoir is overfilled. The proper fill level is actually 1/4" below the minimum mark on the reservoir.
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post #4 of 6 Old 12-20-2011, 11:28 AM
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Not a good sign. It's more than likely coming from the cap and it's not the cap's fault. Your coolant system is getting overpressured by either blown head gaskets or blown egr. If it's the egr it will most likely take the head gaskets with it due to the bolts stretching. If it's the gaskets, most likely the egr is what took them out. The egr was most likely taken out by the oil cooler since it restricted the coolant flow to the egr and it ruptured. The oil cooler likely did this due to silicate or casting sand buildup in the passages due to lack of coolant filter and questionable coolant. There is lots and lots of good info on here all about these problems and remedies. Hope this helps.

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post #5 of 6 Old 12-20-2011, 11:34 AM Thread Starter
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hmm thats weird. its SCT tuned and the egr is tuned out! i dont know if that helps in anyway but just thought i'd put that out there..
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post #6 of 6 Old 12-20-2011, 11:38 AM
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Originally Posted by fordoffroader101 View Post
hmm thats weird. its SCT tuned and the egr is tuned out! i dont know if that helps in anyway but just thought i'd put that out there..
The tuner turns the valve off but doesn't keep the exhaust gases from going through the cooler.
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