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Do not flush with tap water.
The residual water left in the cooling system will then be just that, tap water.
Flush using just distilled water...drive till up to normal operating temp and dump it....then repeat again with distilled water. Then dump that and fill as per normal with coolant and distilled water till 50% of each approximately.
Well, the Chemical Flush should clean out some of that sticky toilet water muck ~ maybe it's best to use it ~ I need to do that as well on my 2001 F150 ~ and I thought the Orange was what is suggested ```
Well, I finally got it. Just had to keep squeezing the upper hose with truck running until air came out. Buddy said heat came on instantly, coolant temp dropped significantly. Just took her for a ride and the level stayed up perfectly, heat was about to run us out of the truck... coolant temp never exceeded 200. Hung around 194 mostly.
In a couple days I’ll drain this stuff... and I think i’m just gonna go back to green coolant... just to be safe.
Also, thoughts on adding Water Wetter to new coolant? I’ve heard it actually works. And this truck does do some towing, wouldn’t mind running a little cooler if that stuff won’t harm anything.
Don't waste your $$ old regular coolant is sufficient, towing and cooling is never a problem in these trucks, if your truck is auto add the biggest trans cooler you can fit in there thats the main component that over heats when towing
I would consider using the YELLOW EXTENDED LIFE antifreeze in place of the old GREEN... YELLOW is very common these days......... The heat problem was air trapped in the heater core.. The hoses form a loop seal and trap the air inside... One good idea is to add a garden hose TEE to the highest point of one heater hose.. You can use it to FLUSH the system and also as a VENT to get the air out when filling the radiator.
Alright, been running chem flush since Tuesday. Got home today, drained it, added new water, and drove it down to the Ford dealership to pick up some Motorcraft coolant. I just went ahead with the green concentrate. Got two gallons of it, two gallons distilled water. Broke the bolt on the petcock, replaced that. Now I’m attaching pics of what I drained out. Right bucket is the first flush, left is the second. The second pic is of a smaller sample I caught from the drips running across the frame, you can see it’s a lot lighter colored. I know it’s harder to tell how nasty it is with the dark bucket, but do y’all think I’m good to go ahead and add new coolant? I don’t know if this orange color is being made by rust, or residual orange coolant. IF there is residual orange coolant, wouldn’t it be diluted enough by now to not do any harm?
Yes, your good to go... After a couple flushes you should not have much if any of the ORANGE left.... Should be just rust at this point........ you can see the bottom of the cup....
Good deal. She’s now full of ~3 1/2 gallons of 50/50 Motorcraft VC-5, ECT hovering around 194-204 (depends if I get down on it or not), new thermostat from the first change. I think we’re good to go!
I liked it better when there was one (1) antifreeze. It was green, and it said "Prestone" on the jug. We filled the radiator with a garden hose, as God intended.
I liked it better when there was one (1) antifreeze. It was green, and it said "Prestone" on the jug. We filled the radiator with a garden hose, as God intended.
he has drained and flushed it 3 times and run a block cleaner thru the system for a couple days.... should not be much if any old antifreeze left... maybe just rust/ block cleaner / residue... and not much of that now.
one way to check for coolant is to use the suction tube with 5 ***** in it to see what the freeze point of the system is.... but you should have so little coolant left after 3 flushes that I bet the drained stuff reads 32 degrees.
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