Peterbilt 325 2017, Operator'S Manual

Page: 280 / 392

BRAKE SYSTEM
less. It is recommended that all disc
brake pads be replaced at the same
time since this will maintain balanced
braking. At a minimum, replace all disc
brake pads on one axle, both ends, at
the same time.
Calipers - Visually inspect calipers
for brake fluid leakage, damaged or
defective pistons or piston boots. If
there is evidence of leakage, damage,
or other defects the caliper should be
replaced or repaired.
Disc brake rotors - Visually inspect
rotors for scoring, warping, cracks,
bluing or heat spots or other damage or
defects. If signs of damage or defects
are found, the rotor(s) should be
resurfaced or replaced in accordance
with the vehicle manufacturer's
recommended service procedure.
Anchor plates - Visually inspect
anchor plates for worn or damaged
slippers, damaged or dislodged guide
pin boots or other defects. If signs of
wear, damage or defects are found,
the anchor plate(s) should be repaired
or replaced.
Parking Brake Component
Inspection
NOTE
If you are not properly trained to per-
form brake inspections or service,
take your vehicle to your nearest Pe-
terbilt dealer.
Visually inspect brake shoe lining for
wear, cracks, or breakage. If linings
are worn down to 2.5 mm (0.10 in),
they must be replaced. Inspect brake
drum for deep scores, heat spots,
cracks, or damage. Replace if needed.
5-70
Y53-6060-1C1 (03/17)
5