my 6.4 has blown head gaskets i think - Ford Powerstroke Diesel Forum
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Old 04-23-2012, 12:19 PM
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my 6.4 has blown head gaskets i think

Last week pulling my 40' trailer my truck started puking out of my degas bottle. Also the degas bottle looked like it was boiling inside. My truck has the mini maxx tuner, i returned it to stock and took my truck to the dealer. The dealer cant find a problem and it wont puke now that i have removed the tuner. It would puke in every setting with the tunuer. Any ideas of what i can do to show the dealer the problem?
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Old 04-24-2012, 06:45 AM
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Did the dealer pressure test the cooling system? Is their coolant in the oil?
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Old 04-24-2012, 06:48 AM
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you have blown head gaskets. I had the same problem. With the tunes and towing your creating enough boost an pressure to lift the heads then when you remove the tune the heads wont lift but the gaskets are blown.
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Old 04-24-2012, 07:40 AM
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Dealer did a pressure test and it came back fine. There is no oil in the coolant and no white smoke out of the tail pipe. If I have blown head gaskets and it wont puke stock any ideas of what I can do to show the dealer the problem. Are there any tests that will show the leak? If not will the problem get worse if I keep it stock?
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Old 04-24-2012, 08:30 AM
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Maybe you can try a block check. It will show if there is combustion gasses in the coolant. A pressure test should show a bad head gasket tho
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Old 04-24-2012, 09:14 AM
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I'm at the dealer getting mine checked out right now . When they took the truck back the service writer came back and told me something's not right cause just from driving it to the dealer the degas bottle was about to overflow !!! I egr deleted 2 weeks ago hoping that was the issue ......we'll see if the aftermarket warranty will cover it ,just bought the truck 4k miles ago with 90k on it and Dpf deleted and tuned .


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Old 04-24-2012, 09:44 AM
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Old 04-24-2012, 09:54 AM
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Well they just said they suspect it's a head gasket ,but the aftermarket warranty won't cover it unless they're sure it's the head gasket . It'll cost $2600 to pull the cab and check ,around $4000 total if it is ,and a lot more if there's a problem with the heads !!!


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Old 04-24-2012, 09:10 PM
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Well I got my truck back from the dealer today. I pulled a grade and checked my temps. my oil temp was 232 and my coolant was 210. The temps should be closer together right?
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Old 04-25-2012, 06:34 AM
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Quote:
Originally Posted by clearmax View Post
Well I got my truck back from the dealer today. I pulled a grade and checked my temps. my oil temp was 232 and my coolant was 210. The temps should be closer together right?
Yup. Sounds like your problem is a clogged oil cooler. If you replace your oil cooler i would also flush and switch to a cat rated elc.
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