Sloshing water sound behind dash after rain????

[Bobby Hank]

My daughter has a 24 two-door hardtop sport. Yesterday she was doing the first half of her drive home from Colorado and went through a heavy rain storm. After the rain was done, she told me that she was hearing water sloshing sounds from behind the dash. She held the phone up so that I could hear it and indeed I did hear what sounded like water sloshing around while she was driving. No warning lights, nothing failed to work, and eventually it went away. She is arriving in about 2 1/2 to 3 hours, and barring a heavy rain that she passes through in a recurrence of the problem, I am trying to think of what I could be looking for. The first thing that comes to my mind is blocked drain vents, but she says where she parks it. She doesn’t get a lot of debris on the Jeep and does not think that that’s what it is. Where should I look? I searched the forums, I’ve searched everything, I am getting no hits, no returns. I’m not sure what if anything I should do about it. I thought the forum may offer some info, advice, or thoughts. What y’all got?

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[Spacenut]

If the floor is not wet it is likely in the cowl area.

 

[Bobby Hank]

No interior leaking reported. I am VERY interested in inspecting the thing. Not sure if she lifted the hood or not.

 

[Grayhound]

Check to see if the cowl is draining properly. I'd pop off the corners and see if they are filled with leaves or debris causing a slow drain.

 

[Flip]

I 3rd the cowl. The drain was plugged
on my TJ and it formed a small pond in there.

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