Dashboard sloshing sound?

Tiny
JASMID
  • MEMBER
  • 2010 MAZDA 6
  • 184,534 MILES
There is a sloshing sound amongst the dashboard. The coolant is perfectly fine. I honestly don’t know any other reasons why there is a sloshing sound in the dashboard. May you give any suggestions as to why I’m hearing the sloshing sound? I have read a few others saying it can be the ac drain clogged but I do not know where the A/C drain is located? Please help. Thanks in advance.
Saturday, December 17th, 2022 AT 4:27 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Yes, it could be the A/C drain that is clogged but it can be also air trapped inside the heater core. Here is a video that shows you how to find and unclog the drain and if that is not the problem start the engine and allow it to get hot, turn the heater on high speed hot temperature and raise the rear of the car up, which should force the air out of the system.

https://youtu.be/q9_MZiS2_NE

and

https://www.2carpros.com/articles/jack-up-and-lift-your-car-safely

Please go over these guides and report back.
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Saturday, December 17th, 2022 AT 1:32 PM

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