2009 Suzuki 400 LTZ Quad Sport Service Manual, Page 395Get this manual
4C-8 Rear Brakes: Brake pad mounting pin Inspect the brake pad mounting pins for wear or damageIf any defects are found, replace the mounting pin with new onesBrake caliper holder Inspect the brake caliper holder and pin for damageIf any damage is found, replace it with new ones I933H1430033-01 I933H1430030-01
Brake caliper slide pin Inspect the brake caliper slide pin for wear or damageIf any damage is found, replace it with new one
Rear Brake Disc Removal and Installation