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  #1  
Old 10-09-2012, 10:41 AM
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EOT and ECT delta AGAIN

I had my oil cooler replaced under warranty earlier in the year. Maybe 7-8K miles ago... When I got it back, the coolant and oil temps were still not perfect like they were. Still running about 8 degrees off, oil being higher. They used to run 200 and 202... last night, I took a 100 mile trip to Arkansas and saw that they were back to 194 and 220, where they were when I had the cooler replaced.

Anyone have any insight as to why I am having this problem with a new oil cooler? clog somewhere else?
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Old 10-09-2012, 12:28 PM
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Did they flush the system when they replaced the oil cooler? Its possible that there is a bunch of crap in the system and if its not flushed out it will keep clogging oil coolers. How does the degas bottle look? Do you have a coolant filter?
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Old 10-09-2012, 07:40 PM
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I dont know if they did a flush. Is it required for that repair? I mean, as far as Ford says... Common sense would say yes, flush it.

Degas bottle is ok I think... What am I looking for? Crud?

After the cooler was replaced a couple months ago, the temps never got back to where they should. They were still about 8 degrees off with no load. Should have taken it back.

I dont have a filter but planned on putting one on. Just haven't gotten around to it yet.

Maybe I should try a flush?
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Old 10-09-2012, 07:43 PM
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They probably did the flush immediately before doing the new cooler and there is plenty of crap left in the system to clog a new cooler if its done wrong.

If you are diving in again, id either get the BPD setup and never worry about it again, or the IPR relocation kit with the filter that filters 100% of the coolant before it goes into the oil cooler.

--oops just noticed this was for 6.4's, the 2nd bit may or may not apply, unsure if the bit about the IPR setup applies.

Jason
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  #5  
Old 10-09-2012, 07:48 PM
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Quote:
Originally Posted by sjl2725 View Post
I dont know if they did a flush. Is it required for that repair? I mean, as far as Ford says... Common sense would say yes, flush it.

Degas bottle is ok I think... What am I looking for? Crud?

After the cooler was replaced a couple months ago, the temps never got back to where they should. They were still about 8 degrees off with no load. Should have taken it back.

I dont have a filter but planned on putting one on. Just haven't gotten around to it yet.

Maybe I should try a flush?
Do you still have your egr system intact? It is recommended that you run a coolant filter for a good little while, then do a complete system flush with restore and restore plus and refill with and ELC coolant and distilled water, then drive for a good long while with a new filter to catch more stuff. Then after all that, change the oil cooler again.

IIRC that is the process that was described to me and should keep the new oil cooler clean for a good while.
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  #6  
Old 10-10-2012, 06:38 AM
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Quote:
Originally Posted by sjl2725 View Post
I dont know if they did a flush. Is it required for that repair? I mean, as far as Ford says... Common sense would say yes, flush it.

Degas bottle is ok I think... What am I looking for? Crud?

After the cooler was replaced a couple months ago, the temps never got back to where they should. They were still about 8 degrees off with no load. Should have taken it back.

I dont have a filter but planned on putting one on. Just haven't gotten around to it yet.

Maybe I should try a flush?
THey should have flushed it. Yes you would be looking for crud or rust. I would put on a coolant filter and run it for a while. Then do a chemical flush.
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Old 10-11-2012, 10:28 AM
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yes, I still have my EGR system. So you are thinking that if I flush it, it might break loose and filter out? Man, I sure wish I could do that....
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Old 10-11-2012, 10:33 AM
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Its worth a try. Either way you would want to do a good chemical flush before you replaced the oil cooler again.
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  #9  
Old 10-11-2012, 01:53 PM
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Quote:
Originally Posted by sjl2725 View Post
yes, I still have my EGR system. So you are thinking that if I flush it, it might break loose and filter out? Man, I sure wish I could do that....
It may get a good bit of it out but remember that if you break it all lose you will probably clog the oil cooler even further. Just watch your deltas and dont let it get to high. You don't want to rupture that EGR and end up with a blown motor.
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  #10  
Old 10-11-2012, 03:27 PM
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This is awesome.... I really don't know what to do.... I don't know where to get Restore... Isn't that a mopar thing?
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