How do I 'burp' the coolant system?

91lxttrim

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#1

• Apr 20, 2006

• #1

My coolant gauge goes up about half way 5 minutes into my drive then goes back down and stays there. I know 5.0's are notorious for getting air pockets in the cooling system and was wondering if anybody knows the best way to 'burp' that air pocket?

Thanks

 

Roland69

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#2

• Apr 20, 2006

• #2

Park on an incline with the front at the higher point and with the rad cap off run the car and watch the coolant level and add when it goes down. Squeezing the rad hoses helps sometimes too.

 

ALMOST STOCK

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#3

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• #3

Another method is drilling a small 1/16” hole in edge the thermostat.

 

Roland69

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yea I heard that works well. good call Farfrom Stock lol

 

ALMOST STOCK

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#5

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This might help also when it come to burping the coolant system.
http://www.corral.net/forums/showthread.php?t=779157



Roland69
Farfrom Stock

 

jrichker

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#6

• Apr 20, 2006

• #6

Make a trip to Taco Bell and get the Jalapeño Special to put in your radiator. It will definitely burp then.
In the 13 years I have been driving and fixing my Mustang, I have never had to burp the cooling system. The only thing I ever did was to make sure the overflow tank had coolant in it and the cooling system didn't have any leaks.

 

timewarped1972

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#7

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i've never had a problem either but....thats probably because when ever i do anything water/radiator related, i usually start the car with the radiator cap off, and as it warms up then the t-stat opens and you can run it that way and add or check water/coolant for a few before it gets too hot and you need to put the cap on.....

i'm not going to recomend anyone do that though unless they know what their doing because you do need to watch it and pay attention. but it works well for me...

 

91lxttrim

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lol jrichker. My problem is probably the fact that when I installed the electric fan, I took out the overflow tank. I'll put it back in.

Does anyone know of a nice aftermarket overflow tank that fits? There's no 'nice' way to re-install the stock one with the big Black Magic fan shroud...





(Almost Stock, your engine bay is INSANE!! nice site too. I only dream of engine bays like that!)

 

bill302

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#9

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overflow tanks i like this one
http://cgi.ebay.com/ebaymotors/17-P...632998933QQcategoryZ34201QQrdZ1QQcmdZViewItem

heres the rest of the

http://motors.search.ebay.com/radia...ooZ1QQfsopZ1QQsacatZ6000QQsamcmZ6000QQsaspiZ2

 

rd

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#10

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About once in evey 20 times I fill one of my 5.0 engines, I don't get it full, or get air in it. Never really paid much attention until recently. Overheated regularly for months, not badly but more than it ever had. Seemed to be full cold, had some in the overflow tank.

One night I took a 10 mile drive at 55 for the first time in months, and it went way up, came down and its been fine since.

 

bill302

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#11

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i have never had a problem with air pockets but i always drill a hole at the top of the thermostat as stated above if it doesnt already have one some thermostats come from the factory and have a hole with a small bb installed to prevent backwards flow...

 

Roland69

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#12

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Canton makes a nice overflow tank.

 

91lxttrim

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#13

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Awesome. Thanks for the links bill302. I'll try the hole in the t-stat too. I just put my stock overflow in 'til I get one of those polished jobbies.

Thanks again all.

 

bill302

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#14

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• #14

91lxttrim said:

Awesome. Thanks for the links bill302. I'll try the hole in the t-stat too. I just put my stock overflow in 'til I get one of those polished jobbies.

Thanks again all.

Click to expand...

anytime, let us know which one you get and how well it fit and works for future reference...

 

Roland69

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I like the canton the are a direct bolt on

 

N

nicks199050gt

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#16

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Just a quick question with out starting a new thread, I have a moroso overflow tank and someone told me to drill a hole in the top of it that way it has some where to go if it gets to hot should I do this?

 

M

mustangmarks

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#17

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nicks199050gt said:

Just a quick question with out starting a new thread, I have a moroso overflow tank and someone told me to drill a hole in the top of it that way it has some where to go if it gets to hot should I do this?

Click to expand...

Denied

 

Blk91stang

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Apr 21, 2006

#18

• Apr 21, 2006

• #18

Had this problem, nothing worked except drilling a hole in the thermostat. Guaranteed way to get all of the air bubbles out at start up.