Losing coolant but don't know where - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 12-13-2010, 06:43 AM Thread Starter
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Losing coolant but don't know where

I have a 2004 f250 xlt. The engine has a blue 2003 engine plate. I bought the truck about 2 weeks ago. It's lost about a gallon and a half of coolant in 300 miles of driving. It does not put out any white smoke that I can see. Even had a buddie fallow me to check for white smoke. Truck runs great starts right up cold or hot. Some times when I park it I smell coolant up by the engine but I don't see any leaks. I have ran it and stopped checked the degas and it's dry.
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post #2 of 7 Old 12-13-2010, 07:16 AM
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check the coolant hose between oil cooler and egr cooler it should be either blue or orange. if its orange its the old style and they were good for leaking. also pull egr vavle and see if its wet if it is raise the back of the truck up a couple feet and look into the hole were the egr vavle was. if theres coolant in there the egr coler is toast. good time to delete it. also look for white residue around the degas cap if ther is residue chances are either head gaskets egr cooler or and oil cooler are toast.

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post #3 of 7 Old 12-13-2010, 08:23 AM Thread Starter
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Thanks for the help I'll let you know what I find
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post #4 of 7 Old 12-13-2010, 03:20 PM Thread Starter
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Didn't get to pull the egr but there is no white stuff around the degas cap.
Wouldn't I have white smoke and the exhaust smell like coolant if it was the egr or head gaskets?
I think it may be leaking some where around the fan. I stopped at the store to day and the was coolant on the streering drag link and the right front tire like the fan is sling it.
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post #5 of 7 Old 12-13-2010, 03:48 PM
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It is probably leaking out the coolant cap and the heat inside the engine bay dryes it up quickly so you may not see anything wet. Sometimes it takes a bit before you see the crusty white stuff.
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post #6 of 7 Old 12-13-2010, 03:51 PM
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The EGR cooler pushes exhuast gas into the cooling system which will push coolant out the cap. When it's really bad then you will see white smoke out the exhuast pipe.
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post #7 of 7 Old 12-16-2010, 06:20 PM Thread Starter
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I still haven't had time to pull my egr valve. I did a pressure test on the cooling system. It lost about 5psi over a hour. I then started the engine and did not get any white smoke from the tale pipe. I hope this means my head gaskets are still ok. My egr valve is unhooked. I ordered a egr delete and oil cooler so hope that fixes it
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