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Window squealing when lowered

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Old Apr 20, 2011 | 02:14 PM
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Default Window squealing when lowered

I noticed my passenger window makes this horrendous squeal when I lower it. It sounds kind of like someone scratching nails on a chalkboard, but more of a plastic sound, if that makes sense. It starts making noise about 3-5 inches down from the top. Any ideas on what that might be? Any suggestions on things I can try to fix it myself?

If not, it's still under warranty, so I can take it in to be fixed, but that's time consuming and a bit of a pain.

Thanks!
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Old Apr 20, 2011 | 03:08 PM
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I had that on my 2005. It just got worse and finally the regulator had to be replaced. I have the GMPP and it payed for it. About 9 months later the other side did the same thing and it was also replaced. Others on the forum have complained of the same problem.
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Old Apr 20, 2011 | 03:43 PM
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So I guess I just need to schedule a service apppointment then? Does anyone know if this is a relatively quick fix, or should I plan to drop it off and be picked up becasue it's going to take a few hours?
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Old Apr 20, 2011 | 03:48 PM
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Originally Posted by Gilla81
So I guess I just need to schedule a service apppointment then? Does anyone know if this is a relatively quick fix, or should I plan to drop it off and be picked up becasue it's going to take a few hours?
In my case both times I had to take it in to diagnose the problem, they ordered the part and I returned to have it replaced. It took about an hour to do the work. Of course I had a lot of waiting around time.
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Old Apr 20, 2011 | 04:04 PM
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Thanks!
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Old Apr 21, 2011 | 10:14 AM
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Good luck with your repairs. Let us know how it goes and let me know if you need anything else.

Brent
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Old Apr 21, 2011 | 10:49 AM
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yep window regulator. The metal cabels fray, and wad upp in the housing. thats the plastic crunching sound.

I got one from a guy off ebay that rebuilds them with stainess steal cabels, for like 250? dealer wants CRAZY money for one.
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Old Apr 21, 2011 | 11:02 AM
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Originally Posted by mittens
yep window regulator. The metal cabels fray, and wad upp in the housing. thats the plastic crunching sound.

I got one from a guy off ebay that rebuilds them with stainess steal cabels, for like 250? dealer wants CRAZY money for one.
Good to know. I bought mine GM Certified Pre-owned in January and it came with a 12 month/12,000 mile bumper to bumper warranty, so this should be covered.

It's weird though, I tried the window this morning and it went down with no noise. Yesterday it wouldn't quit squealing and now today it's fine. I guess it's still early though, I'll see how it is on my way home.
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Old Apr 21, 2011 | 11:03 AM
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Originally Posted by Chevy Cust Svc
Good luck with your repairs. Let us know how it goes and let me know if you need anything else.

Brent
GM Customer Service
Brent,

Would this be covered under a certified preowned car with a 12 month/12,000 mile bumper to bumper warranty?
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Old Apr 21, 2011 | 06:04 PM
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It was fine this morning, but after sitting in the sun all day, when I went out to lunch the window made the horrible noise again. It's weird...
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Old Apr 27, 2011 | 09:09 PM
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Originally Posted by Gilla81
It was fine this morning, but after sitting in the sun all day, when I went out to lunch the window made the horrible noise again. It's weird...
Holy de ja vue http://forums.corvetteforum.com/c6-c...ow-squeal.html

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Old Apr 28, 2011 | 10:43 AM
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Old Apr 28, 2011 | 12:19 PM
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Went by dealer today, said try putting silicone on the weatherstripping first before breaking it down, sometimes the window sticks and makes that noise...
Anyone try this?
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Old Apr 28, 2011 | 03:52 PM
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In my case the window stopped working so the grease wouldn't do anything.
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