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C6 Rain udder location

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Old Apr 6, 2020 | 08:51 PM
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Default C6 Rain udder location

Does anyone know where the location for the rain utter is on a c6? I have a water leak and I want to clean it out but I can’t find it.
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Old Apr 6, 2020 | 08:56 PM
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There are a few when you open the hatch. In each corner...
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Old Apr 6, 2020 | 09:08 PM
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I tried but I can’t feel them or see them. Do you happen to have a picture? @lobstah24

Last edited by Elcruz82; Apr 6, 2020 at 09:09 PM.
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Old Apr 7, 2020 | 06:32 AM
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Originally Posted by Elcruz82
I tried but I can’t feel them or see them. Do you happen to have a picture? @lobstah24
Where exactly are you having a leak?
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Old Apr 7, 2020 | 07:38 AM
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Originally Posted by Elcruz82
Does anyone know where the location for the rain utter is on a c6? I have a water leak and I want to clean it out but I can’t find it.
As above, are you looking for front, or rear info.

This is C5, but is same for C6


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Old Apr 7, 2020 | 09:13 AM
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Originally Posted by datgumify
Where exactly are you having a leak?

@datgumify the leak drips right in front of the dead pedal, so it hits my foot and stage carpet right there on the driver side.

Last edited by Elcruz82; Apr 7, 2020 at 09:33 AM.
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Old Apr 7, 2020 | 09:35 AM
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Originally Posted by FLC6GS
As above, are you looking for front, or rear info.

This is C5, but is same for C6

https://www.youtube.com/watch?v=Sr9rSAW1kzE

https://www.youtube.com/watch?v=aXVO3A9VXQs


i watched this video previously but couldn’t find it. I think the location is different on the c6 because it I looked in that spot and i couldn’t feel it or see it.
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Old Apr 7, 2020 | 01:29 PM
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Originally Posted by Elcruz82
i watched this video previously but couldn’t find it. I think the location is different on the c6 because it I looked in that spot and i couldn’t feel it or see it.
I too had the problem that you had where you would get a leak around the dead pedal. I tackled this issue around a year and a half ago, almost 2 now. There aren't any utters in the front of the car from what I've seen. I pretty much took the front rain Cowl grille and looked for utters, I took the front driver side fender and found nothing. There aren't any utters on the front of the C6, at least now how the C5 is. There is however a small passage way, sort of like how your house has a rain gutter under that cowl grille, this small passage is what evacuates the water from that area. Sometimes you can get leafs or dirt there but it is hard to. The issue ended up being my windshield, somehow or someway the windshield over time starts to unglue itself from the frame. I have yet to replace it. I ended up fixing it by using RTV silicone where the leaking was occurring, this helped stop the leak. I must say though, while the leaking has stopped, there is always a bit of moisture inside the car or humidity after it rains outside. I hope this helps, I'll see if I still have some old videos or pictures of when I did that.
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Old Apr 7, 2020 | 01:52 PM
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Originally Posted by datgumify
I too had the problem that you had where you would get a leak around the dead pedal. I tackled this issue around a year and a half ago, almost 2 now. There aren't any utters in the front of the car from what I've seen. I pretty much took the front rain Cowl grille and looked for utters, I took the front driver side fender and found nothing. There aren't any utters on the front of the C6, at least now how the C5 is. There is however a small passage way, sort of like how your house has a rain gutter under that cowl grille, this small passage is what evacuates the water from that area. Sometimes you can get leafs or dirt there but it is hard to. The issue ended up being my windshield, somehow or someway the windshield over time starts to unglue itself from the frame. I have yet to replace it. I ended up fixing it by using RTV silicone where the leaking was occurring, this helped stop the leak. I must say though, while the leaking has stopped, there is always a bit of moisture inside the car or humidity after it rains outside. I hope this helps, I'll see if I still have some old videos or pictures of when I did that.

This is a picture of where the water comes out of.

This is the video where I show where the source of the leak is at. As you can see, I had to take off that lower panel where the gas cap release and trunk release buttons are. Once again, I hope this helps you find out where the source of the leak is at.
youtube.com/watch?v=gUtlwOcRpsU&feature=youtu.be
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Old Apr 7, 2020 | 02:51 PM
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Originally Posted by datgumify

This is a picture of where the water comes out of.

This is the video where I show where the source of the leak is at. As you can see, I had to take off that lower panel where the gas cap release and trunk release buttons are. Once again, I hope this helps you find out where the source of the leak is at.
youtube.com/watch?v=gUtlwOcRpsU&feature=youtu.be

thanks this was helpful! I’ll check it out this weekend.
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Old Apr 8, 2020 | 04:40 AM
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Rain Udder? Never in my 57 years around cars have heard of that.
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Old Apr 8, 2020 | 07:29 AM
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Originally Posted by Don-Vette
Rain Udder? Never in my 57 years around cars have heard of that.

​​​​​​@Corvettedon they are there lol That’s what I’ve heard them referred to on the forum.
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Old Aug 17, 2020 | 06:37 PM
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Drains yep especially in a C5.
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Old Aug 18, 2020 | 10:14 AM
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There is also a drain udder for the A/C condensation on the passenger side that can stop up, common on the C5.
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Old Aug 18, 2020 | 05:20 PM
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I wash mine at a 'hand healed' car wash. By the time I get home (about two miles), there is no more water coming out.

Last edited by Gman in NC; Aug 18, 2020 at 05:21 PM.
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Old Sep 20, 2021 | 01:31 PM
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Originally Posted by datgumify
I too had the problem that you had where you would get a leak around the dead pedal. I tackled this issue around a year and a half ago, almost 2 now. There aren't any utters in the front of the car from what I've seen. I pretty much took the front rain Cowl grille and looked for utters, I took the front driver side fender and found nothing. There aren't any utters on the front of the C6, at least now how the C5 is. There is however a small passage way, sort of like how your house has a rain gutter under that cowl grille, this small passage is what evacuates the water from that area. Sometimes you can get leafs or dirt there but it is hard to. The issue ended up being my windshield, somehow or someway the windshield over time starts to unglue itself from the frame. I have yet to replace it. I ended up fixing it by using RTV silicone where the leaking was occurring, this helped stop the leak. I must say though, while the leaking has stopped, there is always a bit of moisture inside the car or humidity after it rains outside. I hope this helps, I'll see if I still have some old videos or pictures of when I did that.
C6 Corvette has an udder on the passenger side however I was unable to find any on the driver side.
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Old Sep 20, 2021 | 03:43 PM
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Here are some pics that may be helpful. C6 has a cowl drain udder on the pass. side, and something called a plenum drain valve (28) on the driver side ( circled in green ). Photos are of a Z car, but the drains should be the same.
Also sharing some pics of the A/C drain. It can be hard to find.
Good Luck -


















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Old May 5, 2022 | 09:09 AM
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Thank you mclaren4- Looks like c5 and c6 have slightly different systems to drain water from the cowl area. The photos help a lot. Seems like unless Im going to take fenders off, its almost impossible to clean the two drains. Do you believe they can be reached with the c6 on a lift ? Not having any water infiltration issues currently but would like to make sure the drains are clear to prevent the issues from ever happening.
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Old May 5, 2022 | 02:52 PM
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this should clear somethings up - along with all the above
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Old May 5, 2022 | 08:16 PM
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miss_my_Z06,

While you could utilize a lift, probably not neccassary. And certainly no need to remove outer fenders.
Dano523 ( a veritable encyclopedia of hands-on C6 knowledge ) covers it in this thread to a member experiencing wet floors. Going through the rear section of the front inner fenderwell should provide the access your looking for.
https://www.corvetteforum.com/forums...ide-floor.html

You could use a garden hose to partially fill the cowl on each side to see if things are draining. Just a small stream should provide enough water to check for drainage.
Here's a pic of the driver's side -




Last edited by Mclaren4; May 9, 2022 at 10:49 AM. Reason: Clarification of inner fender location
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