I just noticed when doing my 7500 mile service the rear inside pad is almost gone, andlooks like the rotor has some minor to moderate galling. Mainly on the inside surface. Do you always replace the rotor in this situation?

I bought a new rotor but I'm kind of gun shy when it comes to taking the back wheel off, and readjusting the belt. It's a 2003 dyna.

Thanks,
John

 

If pad wear is uneven, that usually means the floating caliper is not floating. You need to take the caliper off and check the pins.

If yours is a fixed caliper with two pistons, it sounds like the outer piston is stuck, and you need to rebuild the caliper. Have you ever changed the brake fluid? If not, there's probably some corrosion around the piston.

As for the rotor, resurface with a sanding disc in a drill motor. If the grooves are really deep, you'll need to replace the rotor.

 

The wear is pretty even, bothpads aretoast! Once they touch metal to metal, it don't take long to groove. If it was my Chev truck I wouldn't hesitate to throw a set of Pads on, but I'ma little paranoid about compromising brakes on two wheels!

Think I'll just have to learn how to R&R the rotor, and everything else involved like setting belt tension.
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If the wear is even and you have "significant" groving or gauling - you got it, replace them. I have never tried to resurface a bike rotor but may try it on my 03 Road King and see if the squeel goes away. Given the physical of the issue, one needs to be very careful NOT to remove much material. That would be bad joo-joo.

After that, its off to Lyndall to fix this issue once and for all.
...gene