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Old 12-27-2011, 12:20 PM
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coolant flush info

Okay so i have searched on here and googled this and i have found alot of info but there are still a few questions i have. I am getting close to 200k on my truck and i want to flush and install a coolant filter. I have seen that flushing can cause the oil cooler to clog and i sure in the Heck dont want that to happen. So here are my questions.

Has anyone done a coolant flush and afterwards had the oil cooler get clogged?

Should i install the filter before or after the flush?

How do you do a coolant flush on a 6.4?

Can i switch to Cat elc?

While im installing the coolant filter should i do the egr delete to? (not to sure if this has anything to do with coolant)
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Old 12-27-2011, 01:09 PM
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Installing the coolant filter before the flush would be helpful, just expect to change in a new filter after the flush so order an extra.

With a proper flush you can switch to elc, just be sure to flush the system properly with restore/restore+. From another thread:

"The restore is to remove the coating that the stock coolant deposits onthe walls of the cooling system to help stop cavitation issues.
The restore+ is to remove rust scale build up in the system. You can use Ford VC-9 in place of the restore+ (you will need 2 quarts), there is no substitute that I know of for the restore product.
If you were to skip the restore, the elc style coolant could react chemically with the coating from the existing coolant, since it is a very different type and style.
If you were to skip the restore+, you would be leaving the rust scale in the cooling system. "

To do a proper flush takes takes a long long time, with several flush, run for an hour, flush, run for an hour, flush, run for an hour, flush etc. so put aside a full day and buy a ton of distilled water. You'll also need to catch the initial coolant + other chemicals so you'll need a large container (drum) to properly dispose of the fluids. There are several write-ups on doing proper coolant flushes.
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Old 12-27-2011, 06:24 PM
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I did read over this when i did my search and this is what scares me for clogging the oil cooler. Im going to go ahead and do it and hope for the best. I have kept researching even after this post and im going to order my coolant filter and 2 filters along with my egr delete and do those first before i do my flush. Now i still have two questions that should be easy to answer i think.

Can i run the Cat elc and what mixture?

How do you do a proper flush?
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Old 12-28-2011, 06:56 AM
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Quote:
Originally Posted by bentstroke_02 View Post
I did read over this when i did my search and this is what scares me for clogging the oil cooler. Im going to go ahead and do it and hope for the best. I have kept researching even after this post and im going to order my coolant filter and 2 filters along with my egr delete and do those first before i do my flush. Now i still have two questions that should be easy to answer i think.

Can i run the Cat elc and what mixture?

How do you do a proper flush?
i read those other flush posts also, i think the possible oil cooler clogging issue was if a flush machine was used.....this method is draining , filling, running , draining a bunch of times...
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Old 12-29-2011, 05:40 AM
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i did a flush with VC9 and a bunch of distilled water. I used ELC coolant and i used a 50/50 mix. Make sure you get the concentrate coolant and not the 50/50 mix.
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Old 12-29-2011, 05:44 AM
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heres my flush for a 6.0. should still apply
Did Coolant Flush Today / writeup
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Old 12-29-2011, 05:52 AM
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Originally Posted by 2003kingranch View Post
heres my flush for a 6.0. should still apply
Did Coolant Flush Today / writeup
awesome write up thx
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Old 12-29-2011, 06:11 AM
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Would that work for a 6.4? I believe i have read this.
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