rear brakes

Anybody know of any solutions for this? Lots of questions in the forums, but not many answers. I upgraded to aftermarket pads and a new disc. Rebuilt the caliper (piston seal and dust seal). Vacuum bled the brakes several times. Adjusted the brake pedal height. Adjusted the brake lever free...

I have a 2006 Wolverine 450. I bought it used a year ago with 1000 miles. When I brought it home the rear brakes did not work. I found that the previous owner ran the fluid completely out, and since they were never used the caliper pins were seized. I replaced the entire assembly (since you cant...