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Rebuild for Rear caliper on V11s (updated with solution)

Rafael

Rafael

GT Reference
Joined
Feb 16, 2009
Messages
1,096
Location
San Leandro, CA
Hi All
Apparently a seal kit is not available for this caliper. Has anyone gotten into this thing and opened it up for a cleaning. I would hate to damage the seals getting them out. I'm wondering if seals from another caliper will fit.

thanks, Rafael
 
Re: rebuild for Rear caliper on V11

I have heard as well that Brembo does not sell seal kits. However seals are seals. I would think that once you know the dimensions you would be able to find a seal that works. That said, unless the caliper was leaking I would not pop the pistons completely out for fear of damaging the existing seal that are working. I would (do) just pop it out far enough to clean around the piston and then slide it back in, one at a time.
 
Re: rebuild for Rear caliper on V11

GuzziMoto, thanks, I used your suggestion on the B11 front calipers. The only concern I have is that there is so much dust on the caliper around the piston the dust might migrate into gap if too much brake fluid is used for cleaning. It was not possible to get all the way around the pistons as well, but they all are working properly (moving evenly) now. I will attempt a rebuild of these when the time comes and post the results.

As for the V11S rear caliper, I found an update caliper at Yoyodyne, Brembo Gold P32B, 32mm,
#20.5185.21. I then looked up the seal kit for it (Brembo #120.2799.30). The updated caliper has the old fashioned dust seals, hmm. The seals are an exact match. The bike is garage kept and has about 20k miles. So the inside was pretty clean. The dust seal is a double lip seal right at the edge of the caliper piston opening - just cleaned and lubed it.

I think the condition of the existing seals would have allowed rebuilding with the same.
 
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