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Topic: Power Windows

in Forum: C3 Interior


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Power Windows (1/11)
 6/22/10 10:43am
Pappy's Toy
Former Member

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WILLIAMSTOWN, KY - USA

Vette(s):
Silver Anniversary 1978, L82?, 4-speed


Joined: 12/5/2002
Posts: 131

I had the rubber seals replaced around the doors and windows and now the windows will not go up all the way without opening the door and will not come down without opening the doors. I'm guessing that the new seals are making a tighter fit; but is there any options besides opening the doors when I want to raise and lower the windows?

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Pappy's Toy
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Power Windows (2/11)
 6/22/10 11:39am
aceintheholeLifetime Member
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Manteca, CA - USA

Vette(s):
1978,two tone,Metalic Rootbeer & gold 1975 L48 4 speed


Joined: 11/20/2005
Posts: 3623

This seems to be a common occurrence Jim. I haven't done my weather stripping yet so I can't speak from experience as to how long it will take the seals to seat and make life easier, if at all. I know some folks shell out for the softer variety of rubber in hopes of avoiding this kind of thing. I heard some folks say that they run the window down slightly before closing the door and then run it up after closing Confused. We hope you'll give us a post and share your experiences later.

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Jimmy B.
Just can't wait to get on the road again.

 
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Power Windows (3/11)
 6/22/10 4:34pm
Gunslinger
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Frederick, MD - USA

Vette(s):
1969 convertible L71 427/435 4-speed black interior


Joined: 9/8/2003
Posts: 3398

Most, if not all makers of repro weather and door seals use a much stiffer rubber than used by GM back in the day.  GM used it not only because it worked (well...maybe not so well in Corvettes), but also it did so with minimum time for assembly line workers to install and align the windows quickly and send the car down the line.

The stiffer seals available now creates these problems and takes someone very patient and knowledgeable to align glass properly.  What you might need to do is put the windows up all the way and let the car sit out in the hot sun for a couple of days to soften the rubber and allow it to take a "set" to the proper orientation of the glass.  That's about the only way to alleviate the problem.

The best way?  See if you can find a set of genuine GM weather seals.
Power Windows (4/11)
 6/22/10 5:32pm
rraider1
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion


Joined: 10/14/2003
Posts: 1165

Not sure but you might spray the seals or wipe them with some silicone spray.
Power Windows (5/11)
 6/22/10 10:51pm
lukesvetteLifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.


Joined: 5/18/2004
Posts: 6812

I used quality repro seals back on 2004 and guess what - they're still tight and I resolved a while ago to just pop the doors open to roll up the winders. They come down fine from the fully closed position...
Power Windows (6/11)
 6/23/10 10:27am
Pappy's Toy
Former Member

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WILLIAMSTOWN, KY - USA

Vette(s):
Silver Anniversary 1978, L82?, 4-speed


Joined: 12/5/2002
Posts: 131

Thanks guys, for your input. I don't know if I am any closer to a solution; but at least I know I'm not the only one with this problem. I have tried adjusting the window position with no sucess. On my car, the window will go up fine to about 2 or 3 inches from the top and stop. If I have them all the way up, they will not come down unless I open the door to let them get started. I purchased the seals from Midamerican Motorworks so maybe I will give them a call and ask for some tech help. I will keep you posted on my progress.

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Pappy's Toy
Power Windows (7/11)
 6/24/10 11:28am
VetteSpecialties
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Mounds View, MN - USA

Vette(s):
70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe


Joined: 5/24/2007
Posts: 1031

I had the same problem on one of my first C3s.  A power window expert told me to clean and white lube all the tracks and rollers.  What a difference!  And after all these years, it certainly wouldn't hurt to align everything.

Larry
Power Windows (8/11)
 6/25/10 8:54am
Pappy's Toy
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WILLIAMSTOWN, KY - USA

Vette(s):
Silver Anniversary 1978, L82?, 4-speed


Joined: 12/5/2002
Posts: 131

Thanks, Larry, by white lube do you mean lithium grease?

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Pappy's Toy
Power Windows (9/11)
 6/25/10 12:47pm
VetteSpecialties
Former Member

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Mounds View, MN - USA

Vette(s):
70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe


Joined: 5/24/2007
Posts: 1031

Yes.  I use white lithium in a spray can.

Larry
Power Windows (10/11)
 6/25/10 2:16pm
7643
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, - Canada

Vette(s):
1976 Stingray matching numbers. Stock 350 rebuilt, comp cam, roller rockers, push rods, 2.02 valves, +.30 flat tops, frontend & suspension rebuilt Dec 08. Interior from firewall 90% July. New exhaust, Collector plates, Paint will have to wait...& wait.


Joined: 12/18/2008
Posts: 88

I have replaced most of my weather stripping in the last year, still have not got it to "sit" exactly right in all areas but I found that it takes a lot of patience. With my door glass I put them on in  steps, 1st- rear side verticals, 2nd- pillar post (on the piller there is a small bumper clip to help push the glass out and into place on the T Top, watch the angle you rivit this on, it needs to just catch the glass on the way up), 3rd door pannel outside, 4th T Top then inner door pannel seal. Did them a couple hours apart on warm days one door at a time and closed the door, with window up for each new piece of weather strip letting it "set". Like Larry said you need to spend some time servicing or replacing the rollers and tracks in the door, most inportant. I have electric windows and it took a bit but they both work now. Cleaning the rubber with some brake clean and a cloth before putting on the adhesive seemed to help soften the weather strip and also make the adhesive work better as well. Good luck.
Smile   Eric...
Power Windows (11/11)
 6/27/10 2:01pm
Pappy's Toy
Former Member

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WILLIAMSTOWN, KY - USA

Vette(s):
Silver Anniversary 1978, L82?, 4-speed


Joined: 12/5/2002
Posts: 131

Thanks for the tips Eric. I will let you all know how I make out.

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Pappy's Toy
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