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  #1  
Old 10-01-17, 11:32
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Van-Blanc Van-Blanc is offline
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Default Slam vents let in water

While lining the van I noticed that the very bottom of the cill behind rear wheel has water in it. I presume this has come from the slam vent.

So should I expect to find water in there waiting to rot the van or should there be a drain hole? Or perhaps a breathable membrane over the vent as there seems to be some fabric or tape like material there?

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  #2  
Old 10-01-17, 14:22
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Van-Blanc Van-Blanc is offline
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Default Re: Slam vents let in water

I found this thread;

http://www.vwt4forum.co.uk/showthrea...=774362&page=2

So I dried out the cavity and hosed down the light and lo the void filled with water.

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Old 10-02-17, 10:54
scotia scotia is offline
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Default Re: Slam vents let in water

sorry to be dumb but what is the slam vent?
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  #4  
Old 10-02-17, 11:40
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Van-Blanc Van-Blanc is offline
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Default Re: Slam vents let in water

It is the pressure relief opening that lets you shut the doors. On a T5 / T6 they are located on the cill behind the rear wear arch and bumper trim.

They have a flexible flap over them that should stop the ingress of water.

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  #5  
Old 10-02-17, 12:48
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Default Re: Slam vents let in water

It's worth checking the large bung at the back of the sliding door rail (think it's for the motors if you have electric doors) these can leak & fill that void with water.
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  #6  
Old 10-02-17, 14:58
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Van-Blanc Van-Blanc is offline
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Default Re: Slam vents let in water

Quote:
Originally Posted by T5ster View Post
It's worth checking the large bung at the back of the sliding door rail (think it's for the motors if you have electric doors) these can leak & fill that void with water.
There isn't one on my T6 Kombi and if there were the leak was on the other side.

Anyhow the dealer fixed it and it was a broken slam vent flap.

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