Rear Brake Disc Inspection; Rear Brake Disc Replacement; Rear Brake Caliper / Pad Installation - Polaris RZR PRO R Service Manual

3. Lubricate the mounting bracket pins
grease and install the rubber dust seal boots
4. Compress the mounting bracket and make sure the
dust seals are fully seated. Install the brake pads.
Clean the disc and pads with brake parts cleaner or
denatured alcohol to remove any dirt, oil or grease.

REAR BRAKE DISC INSPECTION

1. Visually inspect disc for scoring, scratches, or
gouges. Replace disc if deep scratches are evident.
2. Use a 0-1" micrometer and measure disc thickness at
eight different points around the pad contact surface.
Replace disc if worn beyond service limit.
Brake Disc Thickness
.295 ± .008"(7.5 ± .2 mm)
.268" (6.8 mm)
Brake Disc Thickness Variance:
Service Limit: 0.002" (0.051 mm)
9940259 R02 - 2022 RZR PRO R / PRO R 4 Service Manual
© Copyright Polaris Industries Inc.
r
with silicone 3. Mount a dial indicator and measure disc runout.
t
. Slowly rotate the disc and read total runout on the dial
indicator. Replace the disc if runout exceeds
specifications.

REAR BRAKE DISC REPLACEMENT

1. Dismount the wheel hub assembly from the vehicle
by pulling straight out.
2. Remove the rear caliper and brake disc.
3. Replace brake disc with a new one.
REAR BRAKE CALIPER / PAD
INSTALLATION
1. Install the rear caliper with new mounting bolts.
Torque mounting bolts
BRAKE SYSTEM
Brake Disc Runout:
.010" (0.25 mm)
q
to specification.
TORQUE
Rear Caliper Mounting Bolts:
51 ft-lbs (70 Nm)
10
10.27