does this sound right!!!!
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New User
Joined: May 2010
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does this sound right!!!!
Ok let me start by saying what the dealer told me. I took my 06 f-250 into the dealer for a small coolant drip, It would only leak when the engine was cold. It was leaking from what appeared to be frome the passenger head gasket right out of the back. now when the truck warmed up the leak stopped. the truck has 117K and at 96k the oil and egr cooler where replaced along with the stc fitting upgrade and they also replaced the degas bottle and cap. the called and told me that it was the headgaskets leaking. The tech said that when the motor warmed up op temp everything expaned and sealed back up. been watching the eot and ect spread nothing over 6 deg and no puking out of the degas bottle. I thought that when the head gaskets whent it would blow coolant. I not and expert on these engine but do know a little about them thanks to the good people on this site. Just not trying to get ripped off at the stealership. Any help on this would be greatly appeciated. thanks again
Cargo Master
Joined: May 2006
Posts: 2,116
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From: Florida
Have you done a visual inspection? I would think you should be able to pressurize the cooling system to verify it is holding pressure. We can't inspect it so no way to know, I have never heard of this before, my observations have been on these engines if the headgaskets are bad they are not leaking only when cold, I would think you would have other issues like puking in the degas bottle or overheating. Check the top of the motor near the front, it could be just the egr cooler hose or oil cooler gasket, do you have any oil in coolant or vice versa?
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Ive checked the the blue cooler hose and the top off the motor and everything is nice and dry. the passenger side is dripping and you can also see on the driver side where the back off the head is always wet looking. Ive spent about two hours before I took it in trying to locate another leak point but have come up with nothing. to my knowledge there is nothing else on the pass side that could be leaking unless the new egr cooler has blown but most of the time they leak internaly correct. oil cooler seems to be nice and dry. I have the truck back I wanted to make sure before I spend the moeny and get it stuuded.
Junior User
Joined: Nov 2011
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From: SE Louisiana
It's possible that head gasket leaking coolant, but more likely something leaking into the valley & liquid cohesion causing it to follow the head gasket line down, you can try poking a coat hanger with paper towel around under the intake or park overnight with rear higher.
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New User
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That is a great idea with the coat hanger. I have already parked the truck on jack stands over night and still have the coolant drip. I asked the tech when I had it at the dealer if he had done a road test with a pressure gauge and he kind of looked at me funny like how do you know that thats what we do. I think it took he off gaurd. but anyways he said that the pressure was staying right at 16psi. Then I asked if it would jump past 16 after the cap had realesed. I thought the averge for these engines to be around 11psi.
Senior User
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I know that I struggled and struggled with mine, the same drip when cold but when warm and under pressure, nothing. I couldnt really see a "leak" in the valley so I assume it was slowly collecting and running down the crack where the head meets. I could have swore that the EGR cooler hose was good, but replaced it anyway and that solved the problem.
Posting Guru
Joined: Aug 2010
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From: knox Tn
I am no tech but when these engines have head gasket problems they do not leak the way you are being told, i would get a second op on the truck. Also my bet would be EGR cooler hose or check the valve thats on the heater hose on pass side of truck they sometimes leak and run down where your leak is going.
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Post Fiend
Joined: Oct 2009
Posts: 12,123
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From: N. Fort Worth, tx
of all the 6.0l engines I have ever worked on I have yet to see a single head leak at the gasket. Not oil, not coolant.
but I coudl be wrong.
a leak at the passanger side head is normaly caused by the egr cooler to oil cooler hose or a leaking heater control valve.
but I coudl be wrong.
a leak at the passanger side head is normaly caused by the egr cooler to oil cooler hose or a leaking heater control valve.
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Update guys Just took the truck into another dealer here in south florida. They told this guy is the #1 diesel guy in florida right now. Will see what they have to say. Should here back from them in a couple of hours. Will update with the new findings.
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