My 03'-6.0
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Joined: Aug 2009
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From: Cleveland Ga. North Ga.
My 03'-6.0
I try to keep 8 -6.0's running , thats my day job. I own a 03' f250, it has 135,000, on it. It has a mechanics bed ,I R air compressor. All the tools I own and everything you can think of. In otherwords it's heavy all the time. For about 6 months I have been watching it real close, it started making a whistle noise, which now as turned into a pop noise , coming from degas. It will lose about 1 quart to 1/2 gal of coolant every couple of weeks. The inside of degas bottle is black, you can not see coolant level. There is a few white spots around degas area,but not alot. Also when I check level with my finger it as a sort of black and some sort of film, and smells sooty. I have seen and replaced egr cooler's and oil coolers, also a few head gasket's, but they had different symptom's. I suspect head gasket"s but that really is a guess on my part. any ideas?
Logistics Pro
Joined: Nov 2010
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I wish I had your job, I maintain 2 04's but they never ever seem to have problems 
I think it could still be the oil cooler unless you already replaced it in that truck your talking about..
Are you monitoring temps?
I think it could still be the oil cooler unless you already replaced it in that truck your talking about..
Are you monitoring temps?
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From: Cleveland Ga. North Ga.
No , believe it or not I have only replaced One injector and one ICP [that was a bitch] I think I have another injector trying to stick , but was to replace it, when I go in for the main problem. I was thinking head gaskets at one point, just because you never hear of 03 egr failure. I also don't see coolant coming out of up tubes ,turbo,tailpipe,etc... I have seen total head gasket failure. I was just wondering if this engine can just push a little exhaust pressure into coolant somewhere else ? I have looked and never found one sign of moisture or coolant in oil.
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Joined: Oct 2010
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A blown head gasket on a 6.0 will not leak coolant into the oil. The black stuff in your coolant could be soot from exhaust gases or oil from a blown oil cooler. Seems like oil would want to separate out and float on the top of the coolant while soot would mix.
Here's a good test for a blown head gasket. YouTube - ‪HEAD GASKET TEST for 6.0 POWERSTROKE‬‏
Here's a good test for a blown head gasket. YouTube - ‪HEAD GASKET TEST for 6.0 POWERSTROKE‬‏
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Joined: Aug 2009
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From: Cleveland Ga. North Ga.
Thanks for the link to head gasket test , looks like i could make a test gauge myself. Somethings are so simple I can't see them ==same with the exhaust test, I used to have to them for warranty work.
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Joined: Aug 2009
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From: Cleveland Ga. North Ga.
Yea I have seen that before. It really is some thick stuff. Mine just has real dark color and some real pressure in there. I picked up most of the stuff to put a guage together. But I am almost positive it is lifting the heads as they say an not what I would call a classic blown head gasket ,I think that was what was putting me off.
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