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Old 27th August 2020, 12:04   #428
COLVERT
This is my second home
 
R75 Saloon.

Join Date: Feb 2009
Location: France/or Devon.
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Quote:
Originally Posted by GIBSON View Post
Hi Arctic,

Just finished a plenum check was nice and dry this time. (On the contrary to the previous check when the drain was blocked..)

I noticed however that the inner drain tubes are missing on both sides of my car. Should I be worried about this and consider getting some new or used ones?

Reason I noticed is because I am currently replacing the driverside SRS sensor underneath the carpet of my 75. (Mine is a LHD model.) Sensor was completely corroded and the foam underneath the carpet was wet. So I started looking for the source of water ingress.
While taking the old sensor out I noticed the "flooring" (looks like some kind of glued on plastic?) had some signs of superficial cracking and a hole at the rear seat area. Sealed the hole up with some silicone sealant and treated the entire flooring surface with liquid rubber just to make sure...

However I'm not convinced the flooring was the main source of water.. (I noticed after a rainfall water was coming from the front of the car downwards to the rear. I say downwards because my car is parked on a slope with the front of the car being on the high side.)

Whilst looking around on this nice forum I noticed the scuttle plugs could be the culprit as well, so I went ahead and sealed around them with some sealant just to be sure. Seeing the inner drain tubes mentioned here I wonder if these could have anything to do with my issue?
Maybe you have any other tips?

Thanks in advance!
You should post your questions in the technical forum and not here.--

Otherwise folk looking for answers to their plenum problems have to wade through lots of non relevant posts to find what they want.

Some of the old hands are a bit guilty of posting in here too.-----
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