Clean and lube window mechanism

E28 technical advice asked and given! Troubleshooting, modifications and more.
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db9
Posts: 105
Joined: Jun 30, 2019 8:27 AM
Location: Mississauga, Ontario

Clean and lube window mechanism

Post by db9 »

Needing to clean and lube window mechanism(s)
Suggestions for what product to use ..
1) to clean the old grease out
2) new lube - silicone spray?

Also need to free up a stuck/sticky door latch in situ
Suggestions? PB blaster?

Thanks
Mike W.
Posts: 27181
Joined: Feb 12, 2006 12:00 PM
Location: California Whine Country

Re: Clean and lube window mechanism

Post by Mike W. »

Gawd how time flies. Seems like it was just yesterday I was...

Anyway, a strong solvent to clean the old grease off, like maybe paint thinner, more likely lacquer thinner, or brake cleaner, ideally with a organic vapor respirator, and some time and paper towels. It's not gonna come off happily. Regreasing I did use GP grease, but in retrospect I'd use a light lithium grease. Maybe a light silicone grease like Super Lube. I did, but you don't need a HD wheel bearing grease, it's counterproductive.
db9
Posts: 105
Joined: Jun 30, 2019 8:27 AM
Location: Mississauga, Ontario

Re: Clean and lube window mechanism

Post by db9 »

Thanks Mike

Would you know what the sticky black adhesive is that is used to hold the “vapour barrier “ .. might as well tidy up things while I’m making a mess
jayjaya29
Posts: 203
Joined: Jul 30, 2014 12:53 AM
Location: Atlanta, GA

Re: Clean and lube window mechanism

Post by jayjaya29 »

Its Butyl sealant tape. You can buy strips of it or in a tube.

Some also just replace the original vapor barrier with contact paper. I went this route and its much less messy.
db9
Posts: 105
Joined: Jun 30, 2019 8:27 AM
Location: Mississauga, Ontario

Re: Clean and lube window mechanism

Post by db9 »

Thank you..
Now to figure out why both rear windows stopped working at the same time after a short drive.. ( the list seems to always grow )
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