6.0 Oil cooler failure/ is my engine about to blow? - Ford Powerstroke Diesel Forum
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Old 03-19-2014, 12:00 PM
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6.0 Oil cooler failure/ is my engine about to blow?

I took my truck in for an oil change today, and the tech took it for test drive and he told me that the oil temp was greater than the coolant temp, so my junk is about to blow up. I was going to do head studs, egr's, oil cooler, and stuff once I got the money (in 2 or 3 months), but now that I know I'm on the verge of disaster, should I just park my truck until I can get the work done or can I milk it for a little while? Also, the PO put new injectors in the truck a few months before I brought it, will they be fine in a few months of running like this or should I go ahead and put new ones in again?
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Old 03-19-2014, 12:12 PM
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How hot was the oil and what was the difference between oil and coolant?
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Old 03-19-2014, 12:14 PM
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It doesn't sound like it has ruptured or you would have a milkshake in your degas bottle. You'll be fine so long as you keep an eye on your oil temp and coolant temp. If you have the option to drive something else, do so. If not, just drive it easy until you can get the parts to get it done correctly. Oh and your injectors should be fine. Your oil pressure is greater than your coolant pressure, so oil will leak into the cooling system. It doesn't usually happen the other way around.
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Old 03-19-2014, 12:16 PM
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Quote:
Originally Posted by ynpmoose View Post
How hot was the oil and what was the difference between oil and coolant?
He didn't say how hot the oil was but it was a 15 degree difference
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Old 03-19-2014, 12:20 PM
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you are right at the edge. Just keep an eye on it and don't tow and you should be fine until you get the money to fix it.
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Old 03-19-2014, 02:31 PM
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I'm guessing, since the OP didn't already know he was out of spec, that he does not have the electronic gauges that he needs.
You can't watch those temps without one.
Edge CS, Edge CTS, Scangague2..all good ones..
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Old 03-19-2014, 02:47 PM
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You should be fine. The coolers will not rupture due to restriction on the coolant side, which is what is causing your high EOT/ECT split. What it WILL do, however, is starve the EGR cooler for coolant, eventually causing it to rupture, pushing coolant into the exhaust. It also is a root cause for localized boiling of coolant, which can push the head gaskets out. So, take it easy, high load situations will make the bad things happen sooner. Ive seen folks get 6 months of driving in cooler conditions with no load and the split you are describing.
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Old 03-20-2014, 04:54 AM
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Thanks for the input guys, i'll just try to leave it alone as best I can and get it to the shop as soon as possible. My plan was to get the edge CS after I had the head studs and stuff done
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Old 03-20-2014, 05:23 AM
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The time for a monitor is now. Ideally you would have already had one.

If you're short on cash, and have an Android phone, you're in luck. Check out the Torque Application, its a obd diagnostic tool for your phone. Costs $5 for the app, and you also need a bluetooth obd adapter which plugs into your truck and costs anywhere from $9 - $30 depending on brand.
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