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-   -   Brake Caliper Fix (http://forum.e46fanatics.com/showthread.php?t=614019)

sugi323CI 10-06-2008 06:38 AM

Brake Caliper Fix
I replaced the black rubber bushings for the guide pins on my rear calipers. Does anyone know if I am supposed to lube the inside and outside of these bushings or if I should put an adhesive on the outside so that it sticks to the caliper and then lube the inside where the guide pin goes?

ssm1991 10-06-2008 08:21 AM

Officially both BMW TIS and Bentley advice against putting any lubrication on the guide pins. But I decided to coat the pins with brake paste (anti-seize) when my front right caliper seized due to dirty pins last year. No problem so far. I guess some kinds of paste degrade the rubber, the reason it's not advised.

And no adhesive on anything.

sugi323CI 10-06-2008 11:45 AM

I usually use a small amount of silicone based lube on the pins because it seems that the rubber bushing sticks to them if I don't and this causes squeak. It seems that the bushings move and flex a bit within the caliper instead of having everything move just in and out on the pin. This is why I am asking about an adhesive. The old bushings were locked firmly in place but I am assuming this is from age and heat.

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