Oil cooler, Delta and flush???? - Ford Powerstroke Diesel Forum
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Old 05-10-2012, 06:01 PM
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Oil cooler, Delta and flush????

My friends egr went last summer so he had it deleted and a revised ford oil cooler installed by a local shop, not dealership, but the shop does a lot of diesel work and big rigs. Well within a few months of the oil cooler replaced he was seeing deltas in the 30* range EOTs about 235*...Is this in anyway the shops issue for not doing any sort of flush before replacement it seems like it already clogged again. Should we try to do a major flush and install a filter with cat EC-1? Whats the best route to go about solving this. About how many hours does it take to replace the oil cooler? Can the cooler get any worse than it is by flushing.
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Old 05-10-2012, 09:09 PM
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Flush wont help you at this point. Why would you blame the shop? Your buddie should have not only put on a coolant filter but asked for a flush. Best route to solve this would be to buy a coolant filter FIRST and then do a complete system flush with restore and restore plus. After that you need to replace the oil cooler. All that with two people that know what they are doing will probably take a 3 day weekend at most. I did a flush and oil cooler replacement completely by myself and it took me 2 days. Im no professional though and it was my first time doing it. The oil cooler can get worse but its already way out of spec and needs to be replaced. MAKE SURE YOU FLUSH BEFORE YOU CHANGE IT!!!!!!
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Old 05-11-2012, 02:14 AM
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Well i guess i didn't realize when your paying a shop $80 hr to fix your truck you have to walk THEM through the steps to make sure the problem doesn't happen again. Hows he supposed to know what this truck needs he's not the mechanic. Oil cooler is a symptom of another problem, IE; junk in the coolant, sounds like something a mechanic who has done many egr's and oil coolers should know.
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Old 05-11-2012, 04:10 AM
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You would think a good mechanic that was replacing an oil cooler would wonder what the cause was in the first place and figure out what needs to be done to prevent the same failure over and over.

Last edited by Term3; 05-11-2012 at 04:14 AM.
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Old 05-11-2012, 10:39 AM
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Quote:
Originally Posted by Term3 View Post
You would think a good mechanic that was replacing an oil cooler would wonder what the cause was in the first place and figure out what needs to be done to prevent the same failure over and over.
Unless they feel like they will get repeat business by doing the job more than once. He could be a good mechanic just a crappy business man.
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Old 05-11-2012, 10:53 AM
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Hate to say it but the oil cooler issue on the 6.0L is very common... Even with ELC coolants, flushes, coolant filters I have seen restricted oil coolers.

It really doesnt take much restriction to cause high spread in ECT and EOT numbers.
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Old 05-11-2012, 02:08 PM
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I can't remember where but I THINK I seen a procedure to reverse flush to cooler. I could be wrong thoo, that could possibly help I do not know.
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Old 05-11-2012, 02:17 PM
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You may want to consider distilled water instead of $80+ worth of ELC 2 times, as it's hard to filter and reuse and you will need to do it after you replace the cooler.

d
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