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-   -   window streaks (https://rennlist.com/forums/928-forum/783674-window-streaks.html)

1989porsche928 10-29-2013 05:21 PM

window streaks
 
Hey have you guys ever encountered dual windows streaks on drivers and pasengers windows.

Randy V 10-29-2013 05:48 PM

This is typically caused by worn out felt window guides - very common.

Chalkboss 10-29-2013 05:55 PM

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...

NoVector 10-29-2013 06:57 PM

3 Attachment(s)

Originally Posted by 1989porsche928 (Post 10866654)
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.

Bertrand Daoust 10-29-2013 07:08 PM

Thanks NoVector.

I have that (small) problem with both Windows.
I'll take a look next spring.

yardpro 10-29-2013 09:20 PM

you can polish the streaks out...

buffer and some liquid compound

Chalkboss 10-29-2013 10:01 PM

Thanks Steven, I will give this a try.

Turc928S4 10-29-2013 10:10 PM

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.

1989porsche928 10-30-2013 08:00 AM

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.

1989porsche928 10-30-2013 08:01 AM

Are the part numbers for the felt in the workshop manuals

Bilal928S4 10-30-2013 09:00 AM

I think I got my glass polish and the wheel from Eastwood company.

dr bob 10-30-2013 12:57 PM


Originally Posted by 1989porsche928 (Post 10868039)
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.

jeff spahn 10-30-2013 02:09 PM

I used the factory parts. Work fine.

1989porsche928 10-30-2013 05:28 PM

Hi novector, are thoose latex gloves or nitrile

Bilal928S4 10-30-2013 05:49 PM

From the PET the part number is 928 537 085 03


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