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window streaks

 
Old 10-29-2013, 05:21 PM
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1989porsche928
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Default window streaks

Hey have you guys ever encountered dual windows streaks on drivers and pasengers windows.
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Old 10-29-2013, 05:48 PM
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Randy V
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This is typically caused by worn out felt window guides - very common.
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Old 10-29-2013, 05:55 PM
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I've got light scratches from worn out guides. Since replaced... are the scratches usually superficial (only scratching the tint) or into the glass? I want to get rid of them...
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Old 10-29-2013, 06:57 PM
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Originally Posted by 1989porsche928 View Post
Hey have you guys ever encountered dual windows streaks on drivers and pasengers windows.
Each window has 2 of these guides. Easy to access; window down, lift up the inside/lower window rubber piece (start at the front of the door) and it will expose them. As you can see, they're held in place by one cheese-head bolt.
FWIW, I wouldn't bother with new guides. Just remove the old felt and glue on new (Welwood contact cement works great.) I tried new guides but as you can see, they're just too big and put too much stress on the window and motor.
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Old 10-29-2013, 07:08 PM
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Thanks NoVector.

I have that (small) problem with both Windows.
I'll take a look next spring.
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Old 10-29-2013, 09:20 PM
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you can polish the streaks out...

buffer and some liquid compound
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Old 10-29-2013, 10:01 PM
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Thanks Steven, I will give this a try.
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Old 10-29-2013, 10:10 PM
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I have the same issue and plan to fix it. After some research, I found out that telescope maker are using a slurry made of cerium oxide powder in order to polish glass mirror. I bought some but never had a chance to try it. The tint seems to be within the glass so I would think that it's safe to polish these superficial scratches with it without localized discoloration.
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Old 10-30-2013, 08:00 AM
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1989porsche928
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Thanks it looks like it just scratched the tint. I have to find out if anyone in ny does installs tint. I think its illegal in ny to tint windows. I probably will have to drive to nj.
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Old 10-30-2013, 08:01 AM
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Are the part numbers for the felt in the workshop manuals
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Old 10-30-2013, 09:00 AM
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I think I got my glass polish and the wheel from Eastwood company.
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Old 10-30-2013, 12:57 PM
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Originally Posted by 1989porsche928 View Post
Are the part numbers for the felt in the workshop manuals
No, but they are in the PET. Easiest is to call your favorite vendor. Or do as many have, buy the felt locally and fit it to the bracket you already have.
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Old 10-30-2013, 02:09 PM
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I used the factory parts. Work fine.
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Old 10-30-2013, 05:28 PM
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Hi novector, are thoose latex gloves or nitrile
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Old 10-30-2013, 05:49 PM
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From the PET the part number is 928 537 085 03
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