[Vwdiesel] 91 whistling windshield

[James Hansen]

That's pretty common Val.

It's an easy thing to do wrong really. The urethane sealant/adhesive has 
to be applied in a tall fillet like an upside down V, to ensure contact 
360 degrees around the window when it is placed on the car.  That's the 
part that is easy to screw up- bump the fillet, make one part of the 
sealent strip not high enough, push it down too hard in one spot the it 
springs back up leaving a void.  My 89 had the same thing exactly, and 
exiting a touchless car wash through the blower drier pushed bubbles out 
inside the car.
Dealer knew exactly what the problem was, just wasn't willing is my take 
on it. They might have had to replace the glass when it was new- broken 
in the lot or shop or something before you came along, and wasn't 
willing to throw more money at it.
-james


Val Christian wrote:
> When new, my 91 whistled.  Not all the time.  The wind had to be 
> right, the window's had to be closed.  A rag stuffed right above 
> the speedometer area cut it down.  The dealer seemed unable to 
> find or repair the problem.
> 
> One day a dump truck dropped a 2" rock which bounced for 10 or 15 seconds
> before finally hitting the windshield.  The replacement didn't whistle.
> I assume the factory window had some small gap in the sealant.
> 
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