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post #1 of 16 Old 04-16-2012, 08:35 PM Thread Starter
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about to do a coolant flush

I am going to do a coolant flush in the next week or so I'm finally getting rid of the ford gold!! I have three jugs of cat elc (red) They are already pre mixed 50/50 and they are 1 Gallon jugs....How many gallons does the cooling system hold? Im going to be taking it to a dealer to have it done and since they need directions half the time is there anything I should tell them to do like flushing with just water or adding vc-9? just want to have them get it right the first time
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post #2 of 16 Old 04-17-2012, 12:46 AM
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I think the engine holds like 7 or 8 gallons.

I guess it depends on how they do the flush and if they get all of the water out of the engine before they refill.

Typically you go through the process of flushing and end up with 3 gallons of distilled water in your engine. Then fill with 4 gallons of concentrated coolant/antifreeze and then add more distilled water to top off which in the end provides a 50/50 mixture.

Maybe someone can chime in with an answer filling with 50/50 with water already in the block or flushing all the water out completely.

Oh and BTW if you're instructing a dealership mechanic to do the coolant flush you might want to read up on it. There are a lot of threads on this subject particularly for the 6.4.

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Last edited by Capt dong; 04-17-2012 at 12:51 AM.
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post #3 of 16 Old 04-17-2012, 04:46 AM
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6.4 coolant flush process

Well here ya go this will HELP you out ALOT

Jeremiah


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post #4 of 16 Old 04-17-2012, 05:18 AM
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I highly recommend you get the concentrate and not the 50/50 mix. You will only get about half of the water out of your cooling system. If you fill with 50/50 you will never have the proper mix of coolant and water in your cooling system.

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post #5 of 16 Old 04-17-2012, 06:32 AM Thread Starter
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well thats disappointing news because I got the 50/50 mix for free. Also with the coolant filter I heard somewhere when doing a flush to close the ball valves? is this true or do I just leave them open?

01/07 Job 1 F350 H&S Tuned. ARP Studs, AFE 4'' straight pipe, EGR delete with elbow, AFE stage 2 CAI, 6'' lift on 37s, 20x12 Fuel Nuts two piece, Sinister coolant filter, CCV Mod, Projector headlights HID kit
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post #6 of 16 Old 04-17-2012, 08:27 AM
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I would also like to know whether or not to close the ball valves!

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post #7 of 16 Old 04-17-2012, 10:01 AM
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Quote:
Originally Posted by srjd View Post
well thats disappointing news because I got the 50/50 mix for free. Also with the coolant filter I heard somewhere when doing a flush to close the ball valves? is this true or do I just leave them open?
I hear ya man it would just suck to do it and then it not be done right. I just thought i would give you my opinion. Also i didnt close the ball valves. Not sure if it matters or not

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #8 of 16 Old 04-17-2012, 10:29 AM Thread Starter
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Ill just go out and get the concentrated stuff i like to do things right the first time so I'm glad you mentioned it. I can keep a jug of the 50/50 on hand if I ever need to add some. Does anyone else have input on the ball valves? I can't see it mattering especially when some kits don't even come with them. I just remember reading on here a while back someone said make sure they are closed when you do the flush

01/07 Job 1 F350 H&S Tuned. ARP Studs, AFE 4'' straight pipe, EGR delete with elbow, AFE stage 2 CAI, 6'' lift on 37s, 20x12 Fuel Nuts two piece, Sinister coolant filter, CCV Mod, Projector headlights HID kit
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post #9 of 16 Old 04-17-2012, 11:16 AM
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The only reason i can think to close them is so you dont plug up your coolant filter right away during the flush. Hopefully someone else will chime in with their opinion.

08 F350 cc/sb 4X4
h&s minimaxx, 5" flo pro, 4" down pipe, no limit cold air intake, dirty diesel EGR delete with intake elbow, 6.0 exhaust manifolds, custom up pipes, ported intake manifold, Apex 71mm LP turbo, Rudy's cold side pipe, diesel site coolant and transmission filter, diesel site intercooler boots, ccv mod, bilstein shocks, gogo dd solenoid, HID lights, Airdog II 165, PMF traction bars, PMF drag link, moshimoto aluminum radiator
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post #10 of 16 Old 04-18-2012, 12:13 PM
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I also highly recommend getting the concentrate, for reasons already stated above.
As for the ball valves, I flushed mine with them in the open position. My coolant filter was also new though, so I had to replace it around the 500 mile mark anyways. I replaced the filter around 1000 miles and it still got pretty hot after running truck, so I'm positive it wasn't plugged up. Before I used the restore and restore plus I did several flushes with just water, and i got a decent amount of sand out just doing this.
BTW when I did the flushes, I would also spin my coolant filter loose to drain more coolant out of the system.

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