Want to change out my upper radiator hose but have a question... - Forums at Modded Mustangs
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post #1 of 24 Old November 7th, 2010, 09:50 PM Thread Starter
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Want to change out my upper radiator hose but have a question...

I want to change my upper radiator hose and replace it with a cool-flex style hose (more eye catching for a show car...and because I'm a girl and think it's prettier ) Is there anything special that I need to do to make sure we don't end up with any air pockets? I had a friend mention before that Mustangs can be a little trickier than alot of other cars and wasn't sure how much truth there was behind that. So if you guys could let me know if it's just straight forward...swap the hose, open the radiator, fill it back up, run the car, wait for the thermostat to kick in to burp the radiator....I would appreciate it



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post #2 of 24 Old November 7th, 2010, 09:53 PM
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post #3 of 24 Old November 7th, 2010, 09:55 PM
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be sure to drain out some water out of your radiator first. you dont want water going down your spark plug holes. the drain is on the passenger side lower radiator. looks like a white plastic bolt. then after you fill it up let the car warm up. then let it cool off. refill and take it for a short drive to make sure you got the air bubles out. the more hot and cold cycles you go threw the better chances of getting all the air out
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post #4 of 24 Old November 7th, 2010, 09:56 PM
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Let the car cool, replace it, start the car and let it get up to temp, add if needed, go for a drive, then add more if needed.

VERY simple cars when it comes to adding coolant/antifreeze/water/whatever youd like to call it. Not like working on a bmw, audi, infinity, etc.

Thats all thats needed if youre just replacing the upper hose.
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post #5 of 24 Old November 7th, 2010, 09:58 PM
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what i like to do is top it off, let it idle up to around operating temp, then i like to rev it up to around 2500 for 30 seconds, then let it idle for another minute, and repeat this one or two more times, all with the overflow cap off. i've had good luck with this method and never had an air pocket afterwords.


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post #6 of 24 Old November 7th, 2010, 09:58 PM
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Burp the hose

which means start it up and squeeze it. Have the reservoir cap open. When you burp it the level should go down. When it stops going down theres no more air bubbles


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post #7 of 24 Old November 7th, 2010, 10:05 PM Thread Starter
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Quote:
Originally Posted by sharkbait View Post
Burp the hose

which means start it up and squeeze it. Have the reservoir cap open. When you burp it the level should go down. When it stops going down theres no more air bubbles
Cool Flex is a hard metal hose..I can't squeeze it...



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post #8 of 24 Old November 7th, 2010, 10:06 PM Thread Starter
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Thanks everyone for your replies....I will be installing it in the next few days



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post #9 of 24 Old November 7th, 2010, 10:08 PM
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please remeber to drain some fulid out first. about 1 gallon. i dont want to see another post about water getting in spark plugs. letting your car go threw the hot and cold cycles will burp the system fine.
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post #10 of 24 Old November 7th, 2010, 10:09 PM
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Quote:
Originally Posted by tinkerbell_too View Post
Cool Flex is a hard metal hose..I can't squeeze it...
Get the clear radiator hose and just run red radiator fluid or something lol


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post #11 of 24 Old November 7th, 2010, 10:12 PM Thread Starter
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Quote:
Originally Posted by stal94gt View Post
please remeber to drain some fulid out first. about 1 gallon. i dont want to see another post about water getting in spark plugs. letting your car go threw the hot and cold cycles will burp the system fine.
Ok I will....but out of curiosity, how does the fluid get into the spark plug holes??



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post #12 of 24 Old November 7th, 2010, 10:17 PM
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^ go from the manifold forward and youll have no issue.

Disconnect from the thermostat housing, hold the hose up wards at a 90 or so to where it kinks it at the radiator, disconnect at the radiator and problem solved for the most part.
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post #13 of 24 Old November 7th, 2010, 10:22 PM
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this is the drain plug, the spout lets water out real slow so you dont drain everything, its so easy to drain the water out. if coolant gets everywhere it drys white and crusty and if you want to show your car it is a pain to clean it all off.

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post #14 of 24 Old November 7th, 2010, 10:26 PM
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Quote:
Originally Posted by tinkerbell_too View Post
Ok I will....but out of curiosity, how does the fluid get into the spark plug holes??
When you just pull the thurmostat housing off or even just the hose its self water pours out every where and for some stupid reason the spark plug holes is where the water ends up
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post #15 of 24 Old November 7th, 2010, 10:29 PM Thread Starter
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Quote:
Originally Posted by stal94gt View Post
When you just pull the thurmostat housing off or even just the hose its self water pours out every where and for some stupid reason the spark plug holes is where the water ends up
Ok gotcha. Thank you

Reps given to all who replied....



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post #16 of 24 Old November 8th, 2010, 12:53 AM
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:scratches head:

Why is everyone getting on the bandwagon of draining the radiator when just replacing the upper hose?

Disconnect the upper hose, lose a couple oz's hell maybe even a couple cups to a quart if you wanna get technical, remove it from the opposite end, put your new one on, check levels at idle/temp, go for a quick ride, recheck levels, and youre good to go. No need to drain the radiator to do the upper hose.
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post #17 of 24 Old November 8th, 2010, 02:46 AM
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i never told the person to drain the whole thing just about a gallon. refilling it is cheap and i have always made a mess just pulling the hose off. the car is going to be used for show so why not take the care and make sure to keep the mess off. by using the drain you can control how much comes out very easily.
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post #18 of 24 Old November 8th, 2010, 02:58 AM
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take it out, drive hard as you can, shut off car, imediately change the hose without gloves or face sheild or body suit or proper tools

actually, just change it when engine is cool. i dont see reason to drain the hose, just pop it off, and put new one on. if you concerned about any mess, then go ahead and drain out just a little bit. as for refilling, the 2v's dont have the air pocket issue like the 4v's do. just pour-n-go.



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post #19 of 24 Old November 9th, 2010, 12:05 AM
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If you're going for a super bling radiator hose than it has to be this one:



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post #20 of 24 Old November 9th, 2010, 12:12 AM Thread Starter
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Quote:
Originally Posted by Novanutcase View Post
If you're going for a super bling radiator hose than it has to be this one:



John
If I could get coolant to match my car, I would do it...but no Dexcool...



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