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Old 05-07-2016, 04:02 PM
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Default Coolant.
Hey guys I have coolant coming out my overflow tank. What could be causing this it has new water pump and cap. Could the termostat cause this
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Old 05-07-2016, 09:38 PM
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Hope it ain't a head gasket. It checked the oil and it's not milky or anything
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Old 05-08-2016, 07:00 AM
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What year and what engine?
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Old 05-08-2016, 10:50 AM
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It really helps if you fill out your used CP so everyone knows what you have, easier to help you.
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Old 05-08-2016, 12:07 PM
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It's a 96 Cherokee 4.0
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Old 05-08-2016, 06:22 PM
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Pretty much all my cooling system is new, water pump, clutch fan, electric fan, radiator cap. What isn't new is thermostat and radiator. One of those two cause my problem?
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Old 05-08-2016, 07:10 PM
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Yes, I had this same problem. I ended up replacing everything except the radiator. Of course, it ended up being a clogged radiator. If its the original radiator, replace it as well as the thermostat and it should fix your issue.
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Old 05-08-2016, 07:52 PM
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I was told that it may be my head gasket
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Old 05-08-2016, 11:04 PM
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Originally Posted by xjcrazy0346
I was told that it may be my head gasket
Better get it into gear and replace that then. What the hell do we know..........
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Old 05-09-2016, 03:35 AM
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Did you burp the coolant system ?Are you sure your radiator isn't clogged ?
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Old 05-09-2016, 05:49 AM
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No how do u burp the system on these 4.0s
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Old 05-09-2016, 07:15 AM
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Originally Posted by xjcrazy0346
No how do u burp the system on these 4.0s
You don't need to.
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Old 05-09-2016, 11:09 AM
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Ok good.
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Old 05-28-2016, 05:05 PM
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Originally Posted by xjcrazy0346
Hey guys I have coolant coming out my overflow tank. What could be causing this

Overfilling is one possibility. It should normally be about half full when cold. Filling it to the top will pretty much guarantee and overflow.


Originally Posted by xjcrazy0346
Could the termostat cause this

No.
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Old 05-28-2016, 05:25 PM
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Bad radiator cap can cause this.
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