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9930588 R02 - 2017-2020 RZR 900 900/S 900/S4 1000/S 1000/S4 Service Manual
© Copyright Polaris Industries Inc.
REAR CALIPER ASSEMBLY
1. Install new caliper seals
q
in the caliper body
w
. Be
sure groove is clean and free of residue or brakes
may drag upon assembly.
2. Coat piston with clean Polaris DOT 4 Brake Fluid (PN
2872189). Install piston
e
with a twisting motion
while pushing inward. Piston should slide in and out
of bore smoothly with light resistance.
3. Lubricate the mounting bracket pins
r
with silicone
grease and install the rubber dust seal boots
t
.
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 PAD INSPECTION
1. Clean the caliper with brake cleaner or alcohol.
2. Measure the thickness of the pad material. Replace
pads if worn beyond the service limit.
MEASUREMENT
Rear Brake Pad Thickness:
0.298 ± 0.007″ (7.57 mm ± .178 mm)
Service Limit: 0.180″ (4.6 mm)
BRAKE SYSTEM
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