engine oil temp goes higher since upper radiator hose - Ford Powerstroke Diesel Forum
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Old 04-13-2013, 01:52 AM
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engine oil temp goes higher since upper radiator hose

I had a new upper radiator hose installed a couple weeks ago and now since then the oil temp goes to 220 on the highway with no load. what is the deal? any suggestions???
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Old 04-13-2013, 02:00 AM
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oh and i have had the coolant drained 3 times in the past 12k miles. Radiator, lower rad hose, and now upper.
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Old 04-13-2013, 04:03 AM
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Could be your thermostat
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Old 04-13-2013, 05:02 AM
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oil temp or coolant temp is 220 if its oil temp it could be because you flushed so much through the coolant system that you loosened up debris and clogged up the oil cooler. also make sure your coolant mixture is right
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Old 04-13-2013, 08:47 AM
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is there a way to clean the oil cooler or is it just one of those things you just have to replace?

It is the oil temp
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Old 04-15-2013, 06:28 AM
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What is the difference between your coolant and oil temp? It sounds like you clogged your oil cooler. No you cant clean it. If its clogged it needs to be replaced.
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Old 04-27-2013, 09:27 AM
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fords number is 15 degrees between oil and water temp. that is on the 6.0L and 6.4L.
if either number is out of the 15 degree range, the oil cooler has restrictions.
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Old 04-28-2013, 12:51 PM
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the coolant temp stays at 190. i am thinking of doing the bulletpoof diesel half kit. seems to be a better fix than the oe filter that could just clog up again. has anyone had any experience with this kit??
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Old 04-29-2013, 09:33 AM
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this is an article i have found. Bullet Proof Diesel's New 6.4L Oil Cooler | Diesel World
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Old 05-23-2013, 01:52 AM
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Well after doing research and not wanting to take my truck to the dealer again. I ended up purchaseing and installing the BulletProof Diesel 6.4 half kit. It only took a few hours to install and now my oil temp has not gone over my coolant temp!
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