How to perform a coolant flush? - Ford Powerstroke Diesel Forum
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Old 03-24-2012, 10:15 PM
LDH LDH is offline
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How to perform a coolant flush?

Could someone give me a step by step process on how to perform a coolant flush? I'm running the Ford Gold in mine. I recently drained the system with the valve on the bottom of my radiator and refilled the system through the degas bottle with new Ford Gold coolant and water.
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Old 03-24-2012, 10:20 PM
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What are your deltas? I thought the Amarillo edition was yellow?
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Old 03-24-2012, 10:50 PM
LDH LDH is offline
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I have no experience with the coolant system on these trucks. I've changed my own injectors, stc fitting, dummy plugs, etc. But I haven't got familiar with the coolant system yet. I've been reading alot on here, trying to educate myself on it. So...with that being said, I don't know about the deltas and have never heard anything about the Amarillo taking yellow. School me on this is you don't mind. Thanks.
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Old 03-24-2012, 11:00 PM
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Your "Delta" is the difference between the ECT and the EOT which at its max should not be more than 15*F if it is then your oil cooler is bad/clogged. You are going to need, or rather you should, to know that before you decide to flush. Unless you are ready to do an oil cooler as well. Would also be a good idea to run a coolant filter for about 7,000 miles before a flush to get all the casting sand out of the system. As far as I ever saw all my buddies that had Amarillo edition truck, your signature says its an Amarillo edition, the were all yellow in color.
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Old 03-24-2012, 11:43 PM
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Well i don't see any gauges in your sig, they are a must.

This should help you understand the reason to ditch the Gold junk it can't take the heat. Gauges are a must to do this need to know EOT-ECT
Replaced oil cooler still difference in temps
This should be in the driverside block drain to ease the pain in draining and getting burned.
QuickOilDrainValve.com - the best way to change oil
Here is another great cooling flush if you have to back flush.
http://home.comcast.net/~lyon.family...ush%20v1-0.pdf
Flushing and cleaning the 6.0

Restore is for cleaning out any silicate goo. VC-9 is for cleaning out iron and scale. Restore Plus is the same as VC-9 and cheaper.

To flush drain the coolant by removing the lower radiator hose from the radiator, and removing the drain plug from the driver side of the block. There is a drain plug on the passenger side also but you have to remove the starter to get to it. I don't bother with that one.
I also highly recommend you pull the thermostat out on your first drain and put the housing back without the thermostat. It only takes about 10 minutes and will save you 2.5 hrs or so in doing this whole procedure.

Ok now put the lower hose back on and the drain plug back in the block if you removed it. This is the procedure you will use each time to drain the system, except you will not touch the thermostat again until you're finished the whole procedure. Make sure that you set your heater to high while doing this to flush out the heater core as well.

Fill the cooling system with distilled water, start the truck and let the water circulate for 5 minutes. (if you did not remove the thermostat you must run the truck until the thermostat opens + 5 minutes to circulate. This takes 15 to 20 minutes each cycle and is why you should just remove the thermostat) Stop the engine. Drain the system and repeat the flush.

Now add at least 1/2 gallon of Restore and fill with distilled water. I used cardboard in front of the radiator because you have to get to 185* 190* for these products to work. Drive truck or run on high idle for 60-90 minutes just before you get back from your drive remove the cardboard this will help in the cool down same on the Restore+ flush. Drain and flush 3 or 4 times. or tell clean

Add 2qts VC-9 or 1/2gal of Restore Plus, top with distilled water, and drive the truck or run on high idle for 60-90 minutes. Now drain and flush until flush water comes out clear and clean. When you get clean flush water, flush 3 more times using distilled water while draining the block.

After your final distilled water drain it is time to put the thermostat back in take a funnel and dump the ELC coolant down the t/stat hole 3 1/2 gallons or till full to the top of the hole that way you have O air in the block, I recommend you install a new thermostat at this point 3C3Z-8575-AA Thermostat with housing come with new o-ring. They are only $30 or so and it is good maintenance procedure to do so and top off with distilled water. Drive the truck or let run for a while topping off with distilled water. Check the truck over the next few days and top up as required while any air left in the system works its way out useing the 1/2 gallon left over but fill with distilled water that will give you 1 gallon of mix fill ONLY to the add mark this is the new full cald mark. Remember the system hold 7 gallons of coolant by draining the driverside block drain and Radiator you remove about 3 1/2 gallons of DISTILLED water that is why you only use 3 1/2 gallons of concentrate coolant this gives you a 50/50 mix.

Keep some 50/50 ELC on hand to use to top off the cooling system from here out and you are good to go.

new t/stat from Ford it should all come together (housing-t/stat-o-ring) in a box. The part number is RT-1169
My advice is to get some ph strips from Napa and check the ph level before add ELC coolant because you what a ph level of 7.0 if higher you must keep flushing to get to a neutral balance in the distilled water then you can add coolant, for me it was 6 flushes or 24 gallons of distilled water.
When i did mine i used 48 gallons of distilled water 1/4 tank of fuel and took 12.5hrs.

Here is the Restore Product from Cummins dealer
Restore
Restore Coolant System Cleaner Gallon, CC2610, Fleetguard Cummins
Restore+
Cooling system cleaner restore plus, CC2638, Fleetguard Cummins
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Old 03-24-2012, 11:48 PM
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use the search function to look up how to coolant flush. Better yet look on my post last night "Quick kpop/oil cooler question" there is a reply by NYC F-350 he has a link to the reverse flushing technique that takes you step by step. Be prepared to spend ALL day and I mean ALL day, it takes that long to do it right. you will need a cat-1 elc coolant, and about 24 gallons or so of distilled water. This is a major undertaking but it is worth it.
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Old 03-24-2012, 11:49 PM
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2 Stroker you beat me to it, guess we were typing at the same time.
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Old 04-06-2012, 04:12 PM
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dumb question, does it have to be distilled water? i get it, i get it, aluminum radiators and all but i have an aluminum one on my bronco and haven't had any issues with the hose as long as it doesn't sit in there for a week.....so i have to ask....
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Old 04-06-2012, 04:20 PM
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Quote:
Originally Posted by ragnarbronco View Post
dumb question, does it have to be distilled water?
Not if you want to flush out all the tap water you will use. That will only take 8 flushes of distilled....
The junk in the cooling system that tap water can bring with it can cause issues with the coolant, the same issue that you are trying to get rid of.
Is it worth saving the dollar per gallon of distilled? I used 50 gallons, and for 50 bucks I had no worries about what the water in my block had in it.
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Old 04-06-2012, 04:32 PM
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I've got 35 gallons of distilled water right now... looks like I'll be going to buy more just in case.
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