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Rushing water sound on first start up

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Old 08-24-2012, 04:38 PM
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Default Rushing water sound on first start up
I just bought a new 2013 JKU, and every morning on first start up it sounds like water is pouring out of the passenger side dash.. After it it warms up it goes away. Has anyone had this and what should I do?
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Old 08-24-2012, 04:49 PM
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Defective heater core?
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Old 08-24-2012, 04:51 PM
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That's the area the noise is coming from..???
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Old 08-24-2012, 04:55 PM
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I had that happen to another vehicle. There was air in the coolant system or something like that. Take it to the dealer for service.
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Old 08-24-2012, 04:59 PM
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Originally Posted by Deano003
That's the area the noise is coming from..???
Only fluid coming into that area is for the heater. Don't know. Does the heat even work?
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Old 08-24-2012, 05:02 PM
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Hmmmm not sure
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Old 08-24-2012, 05:06 PM
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Could be air in the line. Have you check radiator fluid levels. Fluids don't always get topped off for vehicles right off the truck to the buyers hands.
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Old 08-24-2012, 05:09 PM
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Levels look to be ok that's why I'm stumped
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Old 08-24-2012, 05:12 PM
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Not sure then. I know exactly what your hearing, I've heard the same thing in other vehicles in my past. Kinda sounds like the person up stairs is flushing the toilet. Never heard it my my '12 jk though.
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Old 08-24-2012, 05:14 PM
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It's got to be air I'm thinking... Cause it warms up and the thermo opens and maybe allows the air to go to the top????
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