Polaris 2009 Trail Boss 330 Service Manual page 185

REAR BRAKE PAD REMOVAL
1. Remove the snap ring (B) from the bottom slide
pin (A).
B
A
2. Loosen (do not remove) the bottom caliper slide
pin (A).
NOTE: When removing caliper, be careful not to
damage brake line. Support caliper so as not to kink
or bend brake line.
3. Loosen or remove the master cylinder cap. With
the pads installed, press the piston into the caliper
body.
NOTE: Brake fluid will be forced through
compensating port into master cylinder fluid reservoir
when piston is pushed back into caliper. Remove
excess fluid from reservoir as required.
4. Remove the loose slide pin (A). The brake pad
will now slide out.
5. Clean the caliper with brake cleaner or alcohol.
6. Measure the thickness of the pad material.
Replace pads if worn beyond the service limit.
A
Service Limit:
Measure
Thickness
Rear Brake Pad Thickness
New: .318" (8.0 mm)
.180" (4.6 mm)
BRAKES
A
9.17