EGR Delete this weekend: Coolant Flush? - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 11-09-2015, 08:08 AM Thread Starter
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EGR Delete this weekend: Coolant Flush?

Picked up a 2006 Harley F350 last week, bone stock with 100k miles. Shes cherry! Either way I have already ordered EGR delete, 5" exhaust, SCT tuner with tunes from Quick Tricks, and will be doing a Rotella T6 oil change with Motorcraft filter this weekend. I noticed when installing the EGR delete it says to drain all coolant. Do you guys do this from the radiator? Is this a good time to flush it all out and do CAT ELC? I don't want to clog up my oil cooler doing this. Does anyone have any suggestions, tips or a coolant flush procedure?
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post #2 of 3 Old 11-09-2015, 08:29 AM
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I also have a 2006. JMO but while I had mine that far down I did the oil cooler update and some other 6.0 fixes while I was there. Its a good time to do a complete coolant flush as well. Instead of the Cat coolant I went with the latest N&I(according to Ford) Ford Gold coolant but I'm also in a very mild climate.

I know there is much debate about this but while I had my engine apart, I saw no indications of any types of failure. I just changed everything as PM. Guess I was one of the lucky ones.

2006 6.0 F250 FX4

Last edited by krazyk; 11-09-2015 at 11:25 AM.
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post #3 of 3 Old 11-09-2015, 08:51 AM
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If you're planning on switching coolant eventually, then I would go ahead and start flushing now. When I flushed mine, I just used a water hose to make it run clear. Then I ran distilled water through 5 times. I didn't use any chemicals during the flush, I was just making sure that I got all of the green coolant out when the previous owner studded and deleted it

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ARP Head Studs, EGR Delete, 4" Turboback, Fuel Sump, Coolant Filter, NUC Oil Bypass Filter
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