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  #1  
Old 11-19-2011, 03:23 PM
Cosmic Waffle
 
Join Date: Mar 2011
Posts: 58
Question W123 Wagon - Leak in rear vent. - What part is this?

This appears to be a rubber part of some sort, but I am not entirely sure if this is part of the window gasket or something else entirely. It *seems* to be where water is leaking in and filling the spare tire well. The other side is not as badly separated yet, but its time is nearly up.

Anyone able to clue me in?



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  #2  
Old 11-20-2011, 12:43 AM
Registered Hack
 
Join Date: Mar 2008
Posts: 4,642
I think it is more likely that the window seal is leaking in that area.

The recess that you see would have to be completely rusted out.

Next time it is raining, remove the interior trim near that window so you can see where the rubber meets the body.
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Old 11-20-2011, 01:47 AM
Cosmic Waffle
 
Join Date: Mar 2011
Posts: 58
I already opened it up. The window gasket is soft and pliable both inside and out, looking quite new. So far as I can tell, there is no sign of water leaking from the window gasket.

There are signs of the molding leaking water, something I'll have to address.

The amount of water leaking is very small, barely a dribble of drops during a rainstorm. You can see where rust has started forming in the crevice. I took the trim off of the support above that and again looked about only to find no signs of water or the above posted mystery rubber.






There is sign of rust damage on the mystery rubber piece anyways demanding repairs before it becomes a big problem. It and a million other things.
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  #4  
Old 11-20-2011, 12:15 PM
Registered Hack
 
Join Date: Mar 2008
Posts: 4,642
Then you may be right.

That recess is a drain for the roof.

The rubber you are talking about is just trim (attached to chrome?). It just pops off of a lip that runs the entire length of the vehicle.
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  #5  
Old 11-20-2011, 12:55 PM
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Quote:
Originally Posted by jt20 View Post
Then you may be right.

That recess is a drain for the roof.

The rubber you are talking about is just trim (attached to chrome?). It just pops off of a lip that runs the entire length of the vehicle.
On a sedan it is a fit only once bit of rubber - it is virtually impossible not to break it when removing. The saloon / sedan part costs a lot of money from the dealer... as far as I know it is dealer only. I shudder to think what a station wagon bit of trim costs.

Tread lightly!
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I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!
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  #6  
Old 11-20-2011, 06:10 PM
Cosmic Waffle
 
Join Date: Mar 2011
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I am not quite sure by your posts that we are talking about the same thing. I am talking about the below highlighted recesses. Within the holes is an odd rubber gasket like material which has snuffed it.

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  #7  
Old 11-20-2011, 06:55 PM
Yak Yak is offline
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It's possible those areas are part of the ventilation system. Somewhere there's a drawing that describes the airflow through the cabin and I think there are arrows that exit near those areas on the sedan. You can see the vents in pics from Army's rebuild thread in post #27. In the wagon the vents may be in that last pillar (D pillar?)

It is possible that water is leaking there in there, but there are other suspects as well for filling the wheelwell: the sunroof drains, the antenna gasket and even the trim retainers for the side molding strip, or all the above.

I can't really see the mystery rubber in the pics. I'll throw out another plug today for searching chad300tdt's bodywork threads, particularly for the wagons.
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  #8  
Old 11-20-2011, 08:13 PM
Cosmic Waffle
 
Join Date: Mar 2011
Posts: 58
You got me chasing down a different path... and I just learned that I was very mistaken as to how the sunroof drained.

W123 Sunroof Drains

I can't help but notice the seal I appear to have does exist in those pictures. I'll have to look into this more to better my understanding of this area.
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  #9  
Old 11-20-2011, 09:56 PM
Cosmic Waffle
 
Join Date: Mar 2011
Posts: 58
It appears that white caulking was used in attempt to fix the issue on the driver side, caulking now having failed and pulled away from the metal. Both D pillar vents have what appears to be some sort of black sealant put on inside, possibly by the factory originally given the signs of age.

Research continues as to what manner of structure is (was?) beneath the sealant. I can see why someone just caulked the thing and called it a day.


Last edited by Timelord; 11-20-2011 at 10:49 PM. Reason: The default 'colon p' emote looks like a git. :tongue:
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