C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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Old Aug 6, 2019 | 07:56 AM
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Default window roller

yesterday my 68 window got stuck about 3" from being completely down. power windows so first thing I did was check the power components- they are all good.

I think I found the problem- the front roller on the window glass- one with the post that attaches with a nut- it appears to be wobbling around, and got jammed in the track.

my question- how is this supposed to correctly attach to the glass?
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Old Aug 6, 2019 | 09:33 AM
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Not sure which roller you’re referring to, but maybe this picture will help.


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Old Aug 6, 2019 | 09:54 AM
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in that pic, i *think* its the front most roller on the glass. the one that rides up and down the vertical track.
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Old Aug 6, 2019 | 10:12 AM
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I couldn’t find a picture of the “stack” but in the link below, you’ll see a roller on the end of a stud. The stud goes through the window with both rubber gaskets and the plastic disk in the pic. There is then a nut holding it in place.

https://willcoxcorvette.com/corvette...pair-kit-68-77
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Old Aug 6, 2019 | 10:17 AM
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ok maybe the plastic disc broke.

when i looked into the door- looking down the glass from the top- I could see the roller on the stud wobbling around. and I could see a nut- which would be on the wrong side of the glass.

ugh, that doesnt look like fun to change in the door
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Old Aug 6, 2019 | 11:28 AM
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Originally Posted by Tiger Joe
ok maybe the plastic disc broke.

when i looked into the door- looking down the glass from the top- I could see the roller on the stud wobbling around. and I could see a nut- which would be on the wrong side of the glass.

ugh, that doesnt look like fun to change in the door
It isn’t fun. These rollers fail at the end where the stud connects to the roller, not at the glass and nut end. Replace them all while you’re in there.
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Old Aug 6, 2019 | 12:15 PM
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Not fun but really not that bad. Besides replacing all the rollers remove, clean and relubricate everything. Use white lithium grease.
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Old Aug 7, 2019 | 07:00 AM
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so fished my hand up inside the door last night, the roller stud actually pulled thru the glass. so whatever should be holding it into the glass is so brittle from age its just crumbling.

I ordered the rebuild kit.
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Old Aug 10, 2019 | 04:06 AM
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Your glass should also have a metal support attached to it. 68 and early69 had them. They often rust out in places. You can find them but I don't think they are being reproduced.

Need to be very careful when working the nuts and loosening thtu old glass

Some of the other parts. Not to bad a job.
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