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Old Jul 26, 2022 | 03:54 PM
  #1  
Trick's Avatar
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Default Overflow bubbling

01 grand cherokee wj V8 runs perfect no over heating no coolant leaks clean oil clean plugs thermostat good coolant level hasn't gone down at all but the coolant overflow bubbles when I shut it off. Air in cooling system perhaps? Only had it few months started doing it about 3 weeks ago and its not all the time
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Old Jul 28, 2022 | 09:56 AM
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it would be some air in the cooling system yes !





Last edited by jarred stanley; Jul 28, 2022 at 05:27 PM.
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Old Jul 29, 2022 | 02:39 PM
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Originally Posted by jarred stanley
it would be some air in the cooling system yes !



i replaced rad cap but I still hear coolant pushing past it into overflow
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Old Jul 29, 2022 | 02:41 PM
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Originally Posted by Trick
01 grand cherokee wj V8 runs perfect no over heating no coolant leaks clean oil clean plugs thermostat good coolant level hasn't gone down at all but the coolant overflow bubbles when I shut it off. Air in cooling system perhaps? Only had it few months started doing it about 3 weeks ago and its not all the time
It could be air in the system, but if it does not clear up, you might be talking about a head or intake gasket seeping a little. Air has to come from somewhere.
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Old Jul 29, 2022 | 03:09 PM
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Rad cap doesnt fit tight in can hear the coolant flowing past it and see it going into overflow
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