Coolant Pukeing when under load
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Joined: Aug 2010
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Coolant Pukeing when under load
Hey guys... was wondering if you could help me out, when I have my truck under load it pukes coolant out the bootle...with no load its fine. Any help would be greatly appreciated thanks
Junior User
Joined: Sep 2008
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Just a couple quick things to check without knowing your info (I just went through this):
1) There is an updated degas bottle cap (a TSB from Ford about this problem) - fixed my "under load, high boost" puking. About $11 from my local Ford dealer...
2) Is your degas bottle too full? It should at the "low" mark when fully warmed up.
Good luck!
1) There is an updated degas bottle cap (a TSB from Ford about this problem) - fixed my "under load, high boost" puking. About $11 from my local Ford dealer...
2) Is your degas bottle too full? It should at the "low" mark when fully warmed up.
Good luck!
Senior User
Joined: Jun 2006
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Many dealers are quick to blame the head gaskets. I know when I had the same issue during towing, everyone said hg's. In my case it ended up being the oil cooler. I am starting the think the hg's fail if the oil/egr cooler issue is not found soon enough. When you are towing and puking coolant, is your engine fan coming on full duty cycle? You will know it as it sounds like a 747 under your hood. Do you have the ability to monitor oil and coolant temps?
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Joined: Sep 2010
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From: cincinnati oh
Many dealers are quick to blame the head gaskets. I know when I had the same issue during towing, everyone said hg's. In my case it ended up being the oil cooler. I am starting the think the hg's fail if the oil/egr cooler issue is not found soon enough. When you are towing and puking coolant, is your engine fan coming on full duty cycle? You will know it as it sounds like a 747 under your hood. Do you have the ability to monitor oil and coolant temps?
I finally got smart and got a gauge to watch temps of ect and eot. My fan was coming on, but not until it was already too hot. Ended up taking the tuner off of it and trying it stock, and it seems better so far, but won't know for certain until I try a long tow with it this weekend.
I would get a good monitor on it ASAP and start to try and understand what is really happening before replacing anything. I agree that the oil cooler/egr/head gasket issues could be more of a result of other problems going undetected for too long than the root cause of a problem.
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