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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
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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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