2008 Polaris Ranger RZR Service Manual, Page 273Get this manual
BRAKES TROUBLESHOOTING
Brakes SquealPoor Brake Performance
Air in system Water in system (brake fluid contaminated) Caliper or disc misaligned Caliper dirty or damaged Brake line damaged or lining ruptured Worn disc andor friction pads Incorrectly adjusted stationary pad Worn or damaged master cylinder or components Damaged break pad noise insulator Brake pads dragging Brake caliper dragging
Pedal Vibration