antifreeze over flow all the time?
Administrator
Joined: Apr 2010
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From: Clayton MI
That adds interest to life......
Ok, start the engine cold. Cooling system all sealed up, if the hoses start getting hard right away, you have a head gasket problem. If the hoses don't, replace the radiator cap.
Ok, start the engine cold. Cooling system all sealed up, if the hoses start getting hard right away, you have a head gasket problem. If the hoses don't, replace the radiator cap.
Rookie
Joined: Aug 2010
Posts: 56
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ok just started it cold topped it off with antifreeze. Put a 19lb flip top cap on it off my race car so i know its good. Ran it for 3-4 minutes at idle, then drove 4 miles. Flipped the top and it sprayed out the overflow. Turned around four miles back home. Flipped the top and nothing. Took the cap off and its full? but has almost a white film on top. or maybe very small bubbles? Any ideas now?
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Retired Moderator - RIP
Joined: May 2008
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From: NH
I have one idea. And I don't care if I sound like a dick or not! Put all the F'n info about your truck in your sig for goodness sake, and just so you know, a 16 pound cap is what the system is designed for. So don't try and diagnose it with something that is not stock.
Administrator
Joined: Apr 2010
Posts: 87,461
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From: Clayton MI
(I really need my roll on the floor laughing emoticon.....)Having all the relevant info on the truck would be a good plan though.
Record Breaker
Joined: Mar 2004
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From: DuQuoin,IL.
lmao !!
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Retired Moderator - RIP
Joined: May 2008
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From: NH
You are right, but what about the next time or time after that and so on?
Legend
Joined: Jul 2007
Posts: 7,843
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From: DFW, Texas
Are you overfilling the overflow tank? When the antifreeze heats up it expands. If the overflow tank is already too full, you'll spray out the top when it heats up. When it cools, it should read low. If you take pressure off the system when hot, it will also expand and if there's some way you aren't spraying it all over the engine bay and your face, (like one of those caps with the little lever on it) it'll push into the overflow tank and really make a mess.
I'm not 100% sure you even have a problem. You need to go into more detail about the temp readings on the gauge and exactly what you see going on in the overflow tank. And you need to use a standard cap for diagnosis.
I'm not 100% sure you even have a problem. You need to go into more detail about the temp readings on the gauge and exactly what you see going on in the overflow tank. And you need to use a standard cap for diagnosis.