2x Disc Brake Rotors. For Mazda 3 2004-2012 2.0L. Remove the caliper and the inner brake pads as a whole, hang the caliper on the hook, and then check the piston and the brake pipe to see if there is oil leakage, and whether the piston rubber dust cover is broken.Remove the inner brake pads located inside the caliper and the outer brake pads located on the bracket.

2x Disc Brake Rotors. For Mazda 3 2004-2012 2.0L. Remove the caliper and the inner brake pads as a whole, hang the caliper on the hook, and then check the piston and the brake pipe to see if there is oil leakage, and whether the piston rubber dust cover is broken.Remove the inner brake pads located inside the caliper and the outer brake pads located on the bracket.