Sbrog
Just got it firing!
I have a 73 disk brake sport that has developed a knocking/tapping sound, apparently in the brake pads.
The noise is metallic like something is moving around and occurs in a double tap. Seems to occur more than once per revolution of the wheel. When the front wheel is up in the air, I can rotate it and I don’t get any noise and there does not appear to be any warping in the disks. The pads feel solid and do not appear to move. The bearings are fine and there are no apparent noises or vibrations in the wheel. When riding I get it after a while and feel it in the bars and hand controls. When it is not knocking, I can use the front brakes and that brings on the sound. Even when I am hard on the brakes it does not let up. So I figured it might just be the pads moving around so why not replace them. So I replaced the pads (they were down 30% or so), springs and pins and took it out. Not much of a change. The sound keeps coming back. I have never had disk pads do this, but I guess that if there is some play between the sides of the pads and the caliper it might be causing this.
Any thoughts on a cure? Is there some sort of spray on adhesive that could help keep the pads and pistons working together so they do not move around?
Thanks!
The noise is metallic like something is moving around and occurs in a double tap. Seems to occur more than once per revolution of the wheel. When the front wheel is up in the air, I can rotate it and I don’t get any noise and there does not appear to be any warping in the disks. The pads feel solid and do not appear to move. The bearings are fine and there are no apparent noises or vibrations in the wheel. When riding I get it after a while and feel it in the bars and hand controls. When it is not knocking, I can use the front brakes and that brings on the sound. Even when I am hard on the brakes it does not let up. So I figured it might just be the pads moving around so why not replace them. So I replaced the pads (they were down 30% or so), springs and pins and took it out. Not much of a change. The sound keeps coming back. I have never had disk pads do this, but I guess that if there is some play between the sides of the pads and the caliper it might be causing this.
Any thoughts on a cure? Is there some sort of spray on adhesive that could help keep the pads and pistons working together so they do not move around?
Thanks!