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Transparent top crazing issue

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Old Nov 24, 2011 | 07:52 AM
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Default Transparent top crazing issue

So I guess this problem is a known issue with the C6. GM is replacing my top for the third time under factory warranty. It seems to happen yearly to me.

Anyone else having this issue? The GM rep told me that this problem is due to the heat.

My bumper to bumper warranty runs out in January. I like the dark top look so I guess I'll opt for the painted black roof and halo combo.

I can't afford to replace my transparent roof once the warranty expires.

Happy Thanksgiving to all!
Cheers,
Mike
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Old Nov 24, 2011 | 08:54 AM
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Originally Posted by Salty Dawg
So I guess this problem is a known issue with the C6. GM is replacing my top for the third time under factory warranty. It seems to happen yearly to me.

Anyone else having this issue? The GM rep told me that this problem is due to the heat.

My bumper to bumper warranty runs out in January. I like the dark top look so I guess I'll opt for the painted black roof and halo combo.

I can't afford to replace my transparent roof once the warranty expires.

Happy Thanksgiving to all!
Cheers,
Mike
http://forums.corvetteforum.com/c6-c...-response.html

Happy Thanksgiving...yes, many of us have/ had this problem...
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Old Nov 24, 2011 | 09:09 AM
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I understand that this issue isn't new.

Has anyone had GM replace their top yearly under warranty?

I would think that if this is an issue that many people are having they would correct it.
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Old Nov 24, 2011 | 09:27 AM
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Originally Posted by Salty Dawg
I understand that this issue isn't new.

Has anyone had GM replace their top yearly under warranty?

I would think that if this is an issue that many people are having they would correct it.
That's logical to expect that the company is trying to remedy the problem. But it has persisted from what I can tell for years.

If it were me, I'd ask the question of Chevrolet: "If this problem persists and DOESN'T occur in one year's time after I get a new one (presumably, the length of warranty on a new top---could be shorter though), will you still cover it at no cost, beyond my GMPP or bumper to bumper warranty?" I don't see why you have to select the other top just to keep it from cracking and being a cost to you. You got a top that was supposed to be free of defects. jmo.

And there below from Jim, and Ed are the answers esp. that the warranty is 1 year.

Last edited by AORoads; Nov 24, 2011 at 11:08 AM.
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Old Nov 24, 2011 | 09:31 AM
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What if you bought one from Gene or Parts taxi and this happens? Will they step up and replace them? Hasn't happened to me, I take my clear top off in the summer, just because I scared it will start this crazing issue .

Last edited by speedraider; Nov 24, 2011 at 09:34 AM.
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Old Nov 24, 2011 | 10:53 AM
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My response to an earlier thread:

...
If not under the 3/36 warranty, you're probably screwed unless someone is feeling generous. Even the GMPP extended warranty does not cover "glass" or "body panels", so it didn't pay when our C5 top started to crack at around 50k miles.

...our 2006 had three of them each crack within 5k miles of being installed, the fourth top lasted over 20k miles and was still good when we sold the car. All covered under the 3/36 warranty.

And our 2009 transparent top did not crack, but it came off the lot with crazing and ripples on the outer surface. Replaced under warranty, 2 yrs/30k miles later it's still good.

Good luck with yours!
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Old Nov 24, 2011 | 11:04 AM
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Originally Posted by speedraider
What if you bought one from Gene or Parts taxi and this happens? Will they step up and replace them? Hasn't happened to me, I take my clear top off in the summer, just because I scared it will start this crazing issue .
GM parts purchased over the counter from a Gm dealer come with a 12 month/12,000 mile warranty.
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Old Nov 24, 2011 | 11:27 AM
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Originally Posted by Salty Dawg
So I guess this problem is a known issue with the C6. GM is replacing my top for the third time under factory warranty. It seems to happen yearly to me.

Anyone else having this issue? The GM rep told me that this problem is due to the heat.

My bumper to bumper warranty runs out in January. I like the dark top look so I guess I'll opt for the painted black roof and halo combo.

I can't afford to replace my transparent roof once the warranty expires.

Happy Thanksgiving to all!
Cheers,
Mike
If this is a known product issue, and based on your repair history, I would think that GM would replace the roof under goodwill, should you continue to have the issue.

I have had my roof replaced 1 time for this issue. So far, so good, but my car sets in the garage all the time. Not sure of the root cause of the problem. I really though this was fixed back in the 2007 MY. Guess not?
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Old Nov 24, 2011 | 11:42 AM
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I was at a car show a few months ago and a guy with a newer Corvette was taking his glass top off of his car and mentioned that it had just started glazing about a month before. I think it always has been a problem. That's why I wanted to make sure that I had a colored top when I bought my car. Maybe I should forget about buying one of these if they are such a problem. Thanks for the info.
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Old Nov 24, 2011 | 11:45 AM
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I wonder if there is a chance that the top could shatter if you just went ahead and left it glazed and never got a new one. Do you think they would bust apart or shatter eventually?
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Old Nov 25, 2011 | 11:23 AM
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Originally Posted by J Willis
I was at a car show a few months ago and a guy with a newer Corvette was taking his glass top off of his car and mentioned that it had just started glazing about a month before. I think it always has been a problem. That's why I wanted to make sure that I had a colored top when I bought my car. Maybe I should forget about buying one of these if they are such a problem. Thanks for the info.
They can be a problem, but they also make the car much brighter inside and are lighter to remove/install. We bought our 2009 with the transparent top despite have 3 replacement tops needed (all under warranty) on our 2006.

Originally Posted by J Willis
I wonder if there is a chance that the top could shatter if you just went ahead and left it glazed and never got a new one. Do you think they would bust apart or shatter eventually?
That must be possible, but I have not yet heard of it happening.
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Old Dec 1, 2011 | 11:33 AM
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Picked up my new top today. All new including hardware.

Maybe I should look into GMPP.
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Old Dec 1, 2011 | 12:02 PM
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Originally Posted by Salty Dawg
Picked up my new top today. All new including hardware.

Maybe I should look into GMPP.
Unfortunately GMPP does not cover the top, unless u still have your 3yrs/36mi warranty
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