Wildguzzi.com
General Category => General Discussion => Topic started by: Bill Havins on September 16, 2015, 06:59:42 AM
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We're getting ready for our annual "Tour New Mexico" trip - a week of traveling back roads in the land of green chili! Last night I replaced all of my brake pads (all three calipers) and, per usual, the rear brake is dragging (slight-to-moderate pressure on the disk all the time). Heavy sigh.... The rear pads had worn very evenly but were to the bottoms of the wear indicators.
Is there a way to adjust this caliper so it doesn't drag? The pistons both move freely (when pressed firmly with my thumb). Or do I just wait for the pads to wear a bit?
Thanks!
Bill
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Bill
Are you sure your rear caliper isn't frozen? Could that have been the reason for the wear?
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No, it's not frozen. The two "springs" that "center" the non-pressured pad on the disk move freely, not easily, but freely. And the pistons move easily with firm thumb pressure. The pin the pads "slide" on is clean.
This is not Brembo's best design - pistons on one side and "springs" that center the non-pressured pad on the disk. I'm beginning to wonder if this is a fluid level thing. Later today I will drain the master cylinder to half-way between the min and max marks. That will ensure the pistons can withdraw slightly after use. With the level at full I'm not sure the pistons can withdraw easily after use.
Now that's my current theory. I'll have 50 miles or so on the bike by this afternoon. I'll give things a look-see then.
Bill
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I'm beginning to wonder if this is a fluid level thing. Later today I will drain the master cylinder to half-way between the min and max marks. That will ensure the pistons can withdraw slightly after use. With the level at full I'm not sure the pistons can withdraw easily after use.
The caliper is free to move on the mounting plate too, right?
I suspect it is a bit excess fluid though.