coolant head scratcher.... - Ford Powerstroke Diesel Forum
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Old 06-01-2012, 05:58 PM
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coolant head scratcher....

so i did a radiator flush this past weekend, drain, flush with hose, drain, distilled flush, whole nine yards. i let it drain for about 15 to 20 min just to make sure i got all the old stuff out, started to fill the radiator back up and only got 3 and a half gallons of coolant and water to fill it. seems like i pulled alot more coolant out (filled a 5 gallon drain pan) than i put in. so i drove around thinkin maybe it would settle then id add more... but no im at the same level. looked at the haynes manual and said something like 27 qts of coolant. rolling around town to check temps and ECTs are normal. any ideas guys?
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Old 06-01-2012, 06:01 PM
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Bet there's air trapped in the system.
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Old 06-01-2012, 06:04 PM
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Originally Posted by jesilvas View Post
Bet there's air trapped in the system.
how do i get it out? i though so too so i cracked the drain pet**** till fluid came out and still the same level...any other ways yall know?
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Old 06-01-2012, 06:13 PM
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The best way to get air out is by filling w/ a RadikitPlus (vacuum fill device).

After that, you drive it and "burp" the system (carefully open the degas cap after driving for awhile).

That being said, your block / etc retains about 3 gallons of coolant that you can not get out by just draining the radiator and removing the hoses.
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Old 06-01-2012, 06:28 PM
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Quote:
Originally Posted by bismic View Post
The best way to get air out is by filling w/ a RadikitPlus (vacuum fill device).

After that, you drive it and "burp" the system (carefully open the degas cap after driving for awhile).

That being said, your block / etc retains about 3 gallons of coolant that you can not get out by just draining the radiator and removing the hoses.
might try that tomorrow, thanks man. commin up on a 5000 mile journey so i need the truck to be in tip top shape.
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Old 06-01-2012, 06:36 PM
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I just drove mine with the heater core open.
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Old 06-01-2012, 06:42 PM
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Originally Posted by jesilvas View Post
I just drove mine with the heater core open.
im a self taught mech, sorry if this sounds dumb. but howd you open it up? it doesnt hurt the truck and is it different from a 7.3 to a 6.0?
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Old 06-01-2012, 06:52 PM
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Open it up as in turn it to heater so the vacuum valve that closes off the heater core opens up and allows coolant to flow through and get any air out that might be in there.
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Old 06-01-2012, 07:02 PM
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Originally Posted by jesilvas View Post
Open it up as in turn it to heater so the vacuum valve that closes off the heater core opens up and allows coolant to flow through and get any air out that might be in there.
see i drove around with the heater on to walmart and back bout a 30 min drive and checked the level and still the same, and i also bled the degas bottle, without really knowing it. i think im just being over paranoid. all temps are normal and truck runs great, just gonna have to keep an eye on it. just figure id ask the wealth of knowledge here and make sure im not being a dumba#$. thanks for the advice guys
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Old 06-01-2012, 07:02 PM
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That valve is open unless the A/C is on Max.
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