9.39
BRAKES
9
9924096 - 2013 RANGER RZR XP 900 / RZR XP 4 900 Service Manual
© Copyright 2012 Polaris Sales Inc.
6. Install wheel hub assembly, washers, and castle nut.
Torque castle nut to specification and install a new
cotter pin.
7. Install rear caliper (see “REAR CALIPER SERVICE”).
Follow bleeding procedure outlined earlier in this
chapter.
8. Field test unit for proper braking action before putting
into service. Inspect for fluid leaks and firm brakes.
Make sure brakes do not drag when pedal is released.
If the brakes drag, re-check assembly and installation.
TROUBLESHOOTING
Brakes Squeal / Poor 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 and/or 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
• Disc damaged
• Disc worn (runout or thickness variance exceeds
service limit)
Caliper Overheats (Brakes Drag)
• Compensating port plugged
• Pad clearance set incorrectly
• Parking brake lever incorrectly adjusted (INT’L
Model)
• Brake pedal binding or unable to return fully
• Parking brake left on (INT’L Model)
• Residue build up under caliper seals
• Operator riding brakes
Brakes Lock
• Alignment of caliper to disc
• Caliper pistons sticking
• Improper assembly of brake system components
Rear Wheel Hub Castle Nut:
80 ft-lbs (108 Nm)
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