This has run around the newsgroup a bit lately. I'll try to summarize, ) If
I'm missing anything folks, pls. speak up) :
- Check the windshield gasket for leaks, they can be noticed by the leftover
mineral deposits at the lower corners and along the lower edge. If this is a
problem I have found a squeeze tube, 8 oz.?, of black silicon run UNDER the
lip of the rubber, ( on the outside of the car), both between the rubber and
body AND the rubber and glass, will seal up this problem. Squeeze in enough to
have some squirt back out after you have moved past and wipe away the excess
on the outside. Wooden popsicle stick works well to remove the portion that is
expelled.
- Check in, under, and around the rain tray inside the engine bay: debris from
old leaves and such can block drainage. Remove any nasty buildup. Pay
attention to the two drain holes on either side that may be blocked.
- Check the rubber grommets that may have deteriorated: the radio antenna
comes through the fender, the wiring loom comes through the firewall, etc. A
quick fix is to clean away the dirt and squeeze in some of that black silicon
mentioned earlier to fill the gap. Replacing something worn is always best.
- Check the integrity of the inner door vapor barrier. ( Mike, I know _you_
checked already. ) These have been know to come loose or be torn/ removed by
previous excursions into the doors' interior. People have replaced the
plastic sheet between the door shell and interior door panel with good
results.
- Have someone hose down the car while you sit inside; this might help find
entry points- this is easier to do when you are not driving at the time. :)
- Beware the Jabberwocky my friend; Water in the fuse box is not a good thing.
( Just ask Martha Stewart. )
These tips are concerned mostly with the leaks in the area you described.
Other sources of leaks like sunroof gaskets/ drainage holes, rear hatch
gaskets, etc. would probably dump the water elsewhere. Also I have not touched
on later model Heater core recall issues, etc.
hth,
TBerk
I just had my windshield replaced on my '84 Rabbit and the shop
that did the work said that silicone is not a good thing to use
because if there's any rust in the area, it will just promote its
growth and the problem will get worse. If you don't have any
rust in the area, maybe it's ok.
Does anyone know about poly-urethane (?) is that something that
can be used? How about substitutes for silicone?
>- Check in, under, and around the rain tray inside the engine bay: debris from
>old leaves and such can block drainage. Remove any nasty buildup. Pay
>attention to the two drain holes on either side that may be blocked.
>
>- Check the rubber grommets that may have deteriorated: the radio antenna
>comes through the fender, the wiring loom comes through the firewall, etc. A
>quick fix is to clean away the dirt and squeeze in some of that black silicon
>mentioned earlier to fill the gap. Replacing something worn is always best.
>
>- Check the integrity of the inner door vapor barrier. ( Mike, I know _you_
>checked already. ) These have been know to come loose or be torn/ removed by
>previous excursions into the doors' interior. People have replaced the
>plastic sheet between the door shell and interior door panel with good
>results.
>
>- Have someone hose down the car while you sit inside; this might help find
>entry points- this is easier to do when you are not driving at the time. :)
This is a good method! I've located leaks in the past this way.
Probably the best thing would be to remove the dash entirely, run
the water and look for what's happening. I wouldn't recommend this
as the first thing to do, but I've done this enough that I can strip
down my dashboard in 30 minutes! :)
>- Beware the Jabberwocky my friend; Water in the fuse box is not a good thing.
>( Just ask Martha Stewart. )
>
>These tips are concerned mostly with the leaks in the area you described.
>Other sources of leaks like sunroof gaskets/ drainage holes, rear hatch
>gaskets, etc. would probably dump the water elsewhere. Also I have not touched
>on later model Heater core recall issues, etc.
My last point is that the water might be following something under
the dash and dripping away from the source. I had a windshield leak
follow an exhaust duct and make its way to the fuse box!
Good luck!
Dennis
Ian
79 Scirocco GTi
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