Peterbilt 325 2017, Operator'S Manual, Page: 275 / 392

BRAKE SYSTEM
•
Have a qualified mechanic
perform a detailed inspection
if the notches are not found.
The pads and rotors should
be measured and compared
against the manufacturers
specifications located in the brake
manufacturer’s service manual.
Caliper Detail
1. Brake Caliper Assembly
2. Location of Inspection
Grooves
3. Notches Line-Up (Time to
schedule inspection of Pads
and Rotors)
4. Brake Rotor
5. Brake Carrier Assembly
Regularly inspect caliper for Running
Clearance:
•
Stop the vehicle on level ground
and let the brakes cool down. Hot
brake calipers can burn skin on
contact.
•
Chock the wheels.
•
Temporarily release the parking
brakes.
•
Grab the caliper and move it. This
movement is Running Clearance.
•
Proper Running Clearance is
0.08 inch (2 mm) of movement of
the brake caliper (approximately
the thickness of a nickel) in the
inboard/outboard direction.
•
Have a qualified mechanic provide
further inspection if the caliper
does not move or appears to move
more than the specified clearance.
(03/17) Y53-6060-1C1
5-65
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