YACT: I got problem :-(

Tobolo

Diamond Member
Aug 17, 2005
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I have a 94 Ford Explorer. One day last week I filled her up with Anti-Freeze and filled the overflow. I drove it for proabaly one or two days and then parked it for the weekend. Well yesterday I notice a puddle of Anti-Freeze on my carport, so I took a diffrent vehicle to work and this morning I notice that more fluid has leaked out.

What all could the problem be if, it leaks while it is parked?

I know little to nothing about cars, but the leakage is near the front almost directly below the radiator.
 

SearchMaster

Diamond Member
Jun 6, 2002
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Did you mix the AF with water? If you filled up the reservoir with pure AF, you might cause overheating which could blow the AF out the top.

[edit]this only applies if you put enough AF to put the total AF/water concentration over 75% or so. If you just topped it off that shouldn't be the cause.[/edit]
 

Tobolo

Diamond Member
Aug 17, 2005
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yeah I mixed it with water to a 50/50 mixtue. Would it still blow out the top after being off for 18 hours?
 

Tobolo

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Aug 17, 2005
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I filled it until it was full, and then filled the overflow to the Cold Fill Line.
 

Calin

Diamond Member
Apr 9, 2001
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Originally posted by: Tobolo
yeah I mixed it with water to a 50/50 mixtue. Would it still blow out the top after being off for 18 hours?

No, after it cools down there should be no (or very little) overpressure inside. Due to non-circulation of water when engine stops, the antifreeze that is inside the engine block will heat after stopping the engine.
But after half an hour or so, it should be cold enough not to boil
 

compuwiz1

Admin Emeritus Elite Member
Oct 9, 1999
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From best scenario, to worst:

Overfill
Hose clamp
Bad Hose
Leaky thermostadt housing gasket
Bad water pump
Bad radiator
 

SonnyDaze

Diamond Member
Jul 31, 2004
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Look at where the puddle is on the ground in relation to hoses, coolant bottle, etc. This can give you an idea of where the leak is starting. Also check it while it's running.

Edit: Just re-read your thread. If the puddle is below the radiator, check the radiator drain cock to make sure it is closed all the way. (Should be a T shaped nut used to open/close the drain cock located at the bottom of the radiator near a corner/edge.)
 

thedarkwolf

Diamond Member
Oct 13, 1999
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When the car gets hot and the coolant system gets up to a certain pressure the radiator cap pops and lets the extra fluid escape into the overflow. If you over filled the overflow it will spit some out or if the radiator cap is getting weak and letting go at too low of a pressure it could spit some out on the ground.