Caliper Inspection - Polaris RANGER XP 900 2018-2019 Service Manual

3. Use a commercially available caliper piston pliers to
extract the pistons from the caliper.
NOTICE
Do not remove the caliper pistons with a standard
pliers. The piston sealing surfaces will become
damaged if a standard pliers is used.
4. Once the pistons are removed, use a pick to carefully
remove the square O-rings
rings should be replaced during caliper service.
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
© Copyright Polaris Industries Inc.
5. Clean the caliper body, piston, and retaining bracket

CALIPER INSPECTION

1. Inspect caliper body for nicks, scratches, pitting or
e
from the caliper. O-
r
with brake cleaner or alcohol.
NOTICE
Be sure to clean the seal grooves in caliper body.
wear. Measure bore size
specifications. Replace if damaged or worn beyond
service limit.
MEASUREMENT
Front Caliper Piston Bore I.D.:
Standard: 1.373" (34.87 mm)
Service Limit: 1.375" (34.93 mm)
BRAKE SYSTEM
and compare to
9
9.17