Quick coolant question - Ford Powerstroke Diesel Forum

 
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post #1 of 6 Old 08-26-2011, 02:56 PM Thread Starter
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Quick coolant question

When i got my truck it had "green" coolant in it, it was a little bit on the low side on the degas bottle so i added some distilled water. Last week I loss some coolant putting in the blue spring on the fpr(moved hose out of tstat, it was stuck open) so I filled it with distilled water and about half a gallon of the zerex G05 stuff.

I want to replace the t-stat tomorrow and drain all the mixed crap out of there, will it be okay if i just drain both engine plugs and radiator and fill it with the zerex concentrate? Or do i need to fill with distilled and flush the crap out? My deltas were acceptable(max 13 average 10) when I did a 35 mile highway trip to verify using CTS. I plan on replacing the oil cooler and doing egr delete in the next few months regardless.

Thanks for the help!
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post #2 of 6 Old 08-26-2011, 03:33 PM
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Do it right. Flush the crap at out of it. You don't need to start out with distiled water but you need to finish with 24 gallons of distilled water.
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post #3 of 6 Old 08-26-2011, 04:14 PM Thread Starter
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Sounds good. Called a local NAPA store and they have a bunch of the ZXED1 concentrate now I just need to track down the Restore stuff. Thanks for the help!
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post #4 of 6 Old 08-27-2011, 06:10 AM
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shouldnt the flush be done right when you plan on replacing the oil cooler?

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post #5 of 6 Old 08-27-2011, 01:48 PM
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Quote:
Originally Posted by tonto View Post
shouldnt the flush be done right when you plan on replacing the oil cooler?
Not necessarily, but it definitely helps. I'll be doing a flush here shortly (I've got the Ford Gold Coolant in my truck now ) but the oil cooler was already replaced about a year ago... I'm just going to do the flush. Granted... the new oil cooler may already be clogged, but I'll find out soon enough depending on my temps - I'm assuming.

Just trying to find a good price on some Red ELC Coolant now...

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post #6 of 6 Old 08-29-2011, 10:21 AM Thread Starter
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Looks like I'll just do a regular flush without the chemicals until I have a replacement oil cooler+egr delete while its taken apart. The EOT/ECT are still within 15* so I don't want to run the chance of doing a full flush and clogging up the oil cooler then not having one to replace it with. My truck is my DD so i need it running properly! Looks like a good distilled water flush to get the mixed coolant crap in there(some unknown green+g05) will do the job and throw in some fresh zerex ELC+distilled water in the mean time.
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