Sounds like water behind the dash?
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Author:  metalbourne [ Sun Nov 10, 2019 12:49 pm ]
Post subject:  Sounds like water behind the dash?

I've had many issues with my heating/cooling system on my KK for the past few years, new heater core, vent regulator and so on. Now it sounds like water moving back and forth when the Jeep is cold. It's fine after it warms up but when I come out of my driveway it sounds like water moving. Any ideas what this could be? Also I have the most annoying sound coming from the driver side interior. Almost sounds like something rubbing and squeaking while driving. It's not out side it's almost like it's coming from under the dash or where the speaker in the door is. Wasn't sure if anyone else had that issue?


Author:  Lando-Liberty [ Mon Nov 11, 2019 8:29 am ]
Post subject:  Re: Sounds like water behind the dash?

That sloshing water sounds like it could be condensate that is stuck in the HVAC box under the dash. You may need to go under the truck, and check that your A/C condensate drain tube is open, and not blocked by debris. Sometimes a gentle probing technique up through the under truck drain tube may reveal a blockage. Try and clean out all of the blockage that you can. Be prepared to get wet. It sounds like you have a good amount of water backed up in the system.

Author:  Greasyside [ Mon Dec 02, 2019 2:05 am ]
Post subject:  Re: Sounds like water behind the dash?

I bet your coolant level is low. What you may be hearing is coolant rushing through your heater core. Burp your system.

Author:  metalbourne [ Thu Dec 05, 2019 5:49 pm ]
Post subject:  Re: Sounds like water behind the dash?

Thanks I'll check it out.

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