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Big groove in front brake disc 900 1991

uid 6185's pic
posted by  blue940 on  Sat Jun 22 14:26 CST 2002
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last visit: Sat Oct 18 21:11 CST 2014
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Hi all,

Yesterday I discovered a somewhat large groove on the inner surface of the driver's side front brake disc on my 940. The groove is about 2mm wide. There is a corresponding ridge on the brake pad. The discs are ATE brand and about 20 months old.
My question is will this cause a reduction in braking efficiency? It caught me by surprise when I saw it as I have heard no noises and the last time the pads were off about 2 months ago I'm reasonably sure that groove wasn't there.
Did something get caught on the pad maybe?
What do you think.

Thank you
Brad 91 940GL






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New Big groove in front brake disc [900][1991]
posted by  blue940  on Sat Jun 22 14:26 CST 2002 >


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