Coolant flush issues? - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 9 (permalink) Old 03-14-2015, 07:27 PM Thread Starter
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Coolant flush issues?

So I did a coolant flush today, but was not able to get the block plugs out due to time constraints and the previous owner rounded out the allen plugs. What i did was removed the small heater hose to the left of the alternator and ran a water hose throught it and pushed all of the old antifreeze out of the block. Then I ran the Restore through for 2hrs and flushed it 2 more times. My problem now is that i coudln't get all of the water back out of the block due to the block plug issues. When I filled back up with the Rotella ELC 50/50 it would only hold 4 gallons. SO i am thinking there was about 3 gallons of water left in the block. I did use city water not well water. Our city water here tests fine. My question is - Is that too much water left in the block considering i used 50/50 and not concentrate?
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post #2 of 9 (permalink) Old 03-14-2015, 09:00 PM
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Re: Coolant flush issues?

Yes, you probably have a 75/25 (or more) mix of water to coolant concentrate. You should have put concentrate in and then topped off with water.

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post #3 of 9 (permalink) Old 03-14-2015, 10:14 PM
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Re: Coolant flush issues?

What is above is 100% correct. Even with the block drains open, a couple gallons of water will remain in the system. Concentrate coolant must always be used when refilling after a flush.

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post #4 of 9 (permalink) Old 03-14-2015, 10:59 PM
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Re: Coolant flush issues?

you actually blew the flush IMO you can't be in a hurry and should have aborted as soon as you found the plug issue IMHO

and did your city water test mineral free like the distilled water you should have used at the end few flushes ?

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post #5 of 9 (permalink) Old 03-14-2015, 11:00 PM Thread Starter
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Re: Coolant flush issues?

So you think i will be fine if I drain 3 gallons out and add 3 gallons of concentrate?
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post #6 of 9 (permalink) Old 03-14-2015, 11:02 PM
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Re: Coolant flush issues?

Buy a coolant tester, 5 bucks

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post #7 of 9 (permalink) Old 03-14-2015, 11:07 PM Thread Starter
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Re: Coolant flush issues?

IMO I dont think the flush is "blew". I just need to get the right mixture...
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post #8 of 9 (permalink) Old 03-14-2015, 11:44 PM
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Re: Coolant flush issues?

with tap water ?

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post #9 of 9 (permalink) Old 03-19-2015, 05:11 AM
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Re: Coolant flush issues?

I had the foam as well. I flushed for well over an hour and STILL had foam. So, I put the hose to the heater pipe like you did and ran straight city water for about an hour and a half then reversed it, then put it through the degas bottle, then into the tube for the water pump. Total time of about 3 hours of flush after using the restore. THEN I did the distilled water flush, as per the instructions and finally had no foam.

I think you blew the flush as well. There is a reason they say to use distilled water to finish the flush rather than tap water. However, if you used a filter you should be ok. As for the mix, get a tester and add concentrate as needed....though I would re-do the full flush the right way.
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