6.27
BRAKES
6
9923983 - 2012-2013 RZR 170 Service Manual
© Copyright 2012 Polaris Sales Inc.
TROUBLESHOOTING
Brakes Squeal / Poor Brake Performance
• Air in system
• Water in system (brake fluid contaminated)
• Caliper or disc misaligned or loose
• Caliper dirty or damaged
• Brake line damaged or lining ruptured
• Worn disc or bent disc
• Worn friction pads
• Incorrectly adjusted parking brake
• Worn or damaged master cylinder or components
• Brake pads dragging
• Caliper piston seized
Pedal Vibration
• Disc damaged, loose, or worn (runout or thickness
variance exceeds service limit)
•Brake pads worn
• Loose caliper
Caliper Overheats (Brakes Drag)
• Compensating port plugged in front or rear
chamber of master cylinder
• Parking brake applied or misadjusted
• Brake pedal binding or unable to return fully
• Caliper piston(s) not returning properly / binding
• Operator riding brakes
Brakes Lock
• Mechanical parts sticking (brake pedal, parking
brake lever, etc.)
• Caliper pistons sticking
• Master cylinder piston sticking
• Improper assembly of brake system components
Parking Brake Drags or Ineffective Brake
• Improper adjustment
• Rear brake pads worn
• Rear caliper misaligned, damaged, or improperly
assembled
• Rear caliper bracket loose
• Parking brake cable not returning freely
• Parking brake cam arm not returning
• Broken, missing, or damaged return spring for
parking brake lever or parking brake cam (on rear
caliper)
• Loose or broken caliper mounting bracket,
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