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Discussion in 'Technical and Troubleshooting Torque' started by ben1, Aug 20, 2009.
is it common for new pads to touch and restrict the disk a lilltle?
If you mean at very slow speed like pushing it. Then yes.
Otherwise you may want to give us some more info.
i mean while it is on a front and rear stand, and spinning it with your hand.
i can hear the pads touching the disk & seems a lilltle restrictive.
You do need slight contact between the disk and the pad otherwise the extra takeup will make the brakes feel 'spongey', and also will lead to too much movement in the brake pedal/lever. This does mean it will feel like there is a small amount of friction even when the brakes are not applied.
There is no mechanical means (thankfully) of keeping the pads off the disks and there should be an ever so slight touch. This also helps keep water (some) off the disks in the wet.
If they're binding at some point a disk is warped. If there is serious resistance the brake pistons could need a clean/service and this often shows up with new pads as the pistons dont sit as far out as they had been.