Preventive Maintenance Brake System
Model 330 PB1318 3/01
– 159 –
WARNING! If the brake fluid reservoir requires an
excessive amount of hydraulic fluid, the com-
plete system must be inspected for leaks and
repaired if necessary (consult your nearest
Peterbilt dealer). Failure to keep the brake sys-
tem in good repair may lead to loss of braking
and possibly cause serious personal injury.
Service Brake Component Inspection
Remove each wheel to inspect the brake components.
CAUTION: When replacing disc brake pads, be
sure to use the same lining material on both
axles. Mixing lining types can result in unbal-
anced braking, increased pad wear, or degraded
stopping performance. Consult your nearest
Peterbilt dealer.
Disc brake pads - Visually inspect all brake pad linings.
Brake pads should be replaced when the
remaining lining reaches 3⁄16 inch thickness or
less.
It is recommended that all disc brake pads be
replaced at the same time since this will main-
tain balanced braking. At a minimum, replace all
disc brake pads on one axle, both ends, at the
same time.
SYSTEM COMPONENTS
ANCHOR
PLATES
CALI PERS
FRONT REAR
BRAKE PADS
CALIPERS
ROTORS
BRAKE PADS
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