9.6
9924880 Rev 2- 1/10/2014 - 2013 / 2014 RANGER XP 900 - 2014 RANGER XP 900 / CREW 900 Service Manual
© Copyright Polaris Sales Inc.
BRAKE NOISE TROUBLESHOOTING
Dirt or dust buildup on the brake pads and disc is the most common cause of brake noise (squeal caused by vibration).
If cleaning does not reduce the occurrence of brake noise, Permatex™ Disc Brake Quiet can be applied to the back of
the pads. Follow directions on the package. This will keep pads in contact with caliper piston(s) to reduce the chance
of squeaks caused by dirt or dust.
Brake Noise Troubleshooting
POSSIBLE CAUSE REMEDY
Dirt, dust, or imbedded material on pads or disc
Spray disc and pads with CRC Brakeleen™ or
equivalent non-flammable aerosol brake cleaner.
Remove pads and/or disc hub to clean imbedded
material from disc or pads.
Pad(s) dragging on disc (noise or premature pad wear)
because of improper adjustment
Master cylinder reservoir overfilled
Master cylinder compensating port restricted
Master cylinder piston not returning completely
Caliper piston(s) not returning
Operator error (riding the brake)
Adjust pad stop
Set to proper level
Clean compensating port
Inspect. Repair as necessary
Clean piston(s) seal
Educate operator
Loose wheel hub or bearings
Check wheel and hub for abnormal movement.
Brake disc warped or excessively worn Replace disc
Brake disc misaligned or loose Inspect and repair as necessary
Noise is from other source (axle, hub, disc or wheel)
If noise does not change when brake is applied check
other sources. Inspect and repair as necessary
BRAKES
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