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2005 STS Moonstone N*
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10 Posts
Discussion Starter #1
There is some liquid or something sloshing around in the the back of my 05 sts. tThe car is running OK, I don't have a fuel odor so I know there's no gas leaking in. I check the trunk, nothing. Every time i start and stop the liquid sloshes forward. I think it may be the fuel tank that i am hearing, but I've NEVER heard it before. I've heard something about a fuel baffle?
 

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91 Allante (gone), 06 SRX (gone)
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4,396 Posts
Check below the trunk in the spare tire well. Also, check under the seats for wayward water bottles.
 

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Sedan de Ville, CTS
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4,764 Posts
In your head???

Lean your head to left or right and pound on lower ear.

Or, stand on head till your heart stops beating. The sloshing sound will go away. Guaranteed.
 

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2005 STS Moonstone N*
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10 Posts
Discussion Starter #5
Go away, pest. I thought this site was set up for caddy owners to help other caddy owners. If you don't have anything constructive to add to the discussion, shut the [email protected]$% up and play with your crayons child.
 

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91 Allante (gone), 06 SRX (gone)
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4,396 Posts
Relax, it's also a place where we have a little fun. (Usually I'm the one making the smart aleck comments.)
 

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2006 STS 1SG & 2007 STS 1SE
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2 Posts
Are you sure its from the back? I've heard of a plugged A/C condensate drain making that sound. Are the from carpets ever damp?

How long since you've taken a good long drive (over an hour)? Water is a result of combustion and can condensate in mufflers. (Ever see water come out exhaust pipes?)
 

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Registered
2005 STS Moonstone N*
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10 Posts
Discussion Starter #9
c5 rv, you're right, I'm just a little on edge about one problem after another. It's a shame cause I LOVE THIS CAR, STILL LOVE IT warts and all. I will be a little more patient though. thanks for the insight.

Echas3, No, its definitely coming from the back, when i made quick "test starts and stops" you could hear it pretty loud. the carpets are dry also.

GarryW, I don't have a sun roof.

When it rains or you go through a wash and water get in the trunk crevices and is channeled away, is it collected and drained off somewhere? if so could that aperture be blocked?
 

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2006 STS V8, 1999 Seville STS
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596 Posts
im still gonna go with the "Or, stand on head till your heart stops beating. The sloshing sound will go away. Guaranteed."
 

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2005 STS Moonstone N*
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10 Posts
Discussion Starter #13
Found the problem. Doh!! Thanks to everyone for their input, Including the people telling me to stand on my head, should've listened, literally. Found the water sloshing INSIDE the back doors, never thought to open them(i Just knew they couldn't been the problem). I checked whether the carpets were wet while sitting in the front and leaning back. With that said, there was a post explaining about door drain holes being clogged. Bent down eye level to the rubber seal under the door and ran my finger between the rubber seal and drain holes and water GUSHED out, the rubber seals were blocking the dirt plugs that had formed from washing away. I love this forum, it saved me what would've been a two hundred dollar auto bill.
 

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91 Allante (gone), 06 SRX (gone)
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4,396 Posts
I wonder what the inside of your doors look like now...

Glad that you solved the problem. Now, your fix will appear whenever someone else does a search for "slosh".
 

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2011 DTS Platinum
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4,633 Posts
I think I would be pulling the door panels, getting some fans and making real sure that everything is good and dry.
 
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