Noise and Emission
Control
There are specific components on the
vehicle that are designed to meet certain
Environmental Protection Agency (EPA)
emissions and noise regulations. To
maintain conformance with the regulations,
these components need to be functional
and properly maintained.
Noise Emission Warranty
Peterbilt warrants to the first person who
purchases this vehicle for purposes other
than resale and to each subsequent
purchaser that this vehicle as
manufactured by Peterbilt, was designed,
built, and equipped to conform at the time it
left Peterbilt's control with all applicable
U.S. EPA Noise Control Regulations.
This warranty covers this vehicle as
designed, built, and equipped by Peterbilt,
and is not limited to any particular part,
component, or system of the vehicle
manufactured by Peterbilt. Defects in
design, assembly, or in any part,
component, or system of the vehicle as
manufactured by Peterbilt, which, at the
time it left Peterbilt's control, caused noise
emissions to exceed Federal standards,
are covered by this warranty for the life of
the vehicle.
Tampering with Noise Control
System
Federal law prohibits the following acts or
the causing thereof:
1. The removal or rendering
inoperative by any person other
than for purposes of maintenance,
repair, or replacement, of any
device or element of design
incorporated into any new vehicle
for the purpose of noise control
prior to its sale or delivery to the
ultimate purchaser or while it is in
use, or
2. The use of the vehicle after such
device or element of design has
been removed or rendered
inoperative by any person. Among
those acts presumed to constitute
tampering are the acts listed below:
Air Intake
System
Removing or rendering inoperative
the air filter housing/silencers or
intake piping
Engine
Cooling
System
Removing or rendering the fan
clutch inoperative
Removing the fan shroud
Engine Removing or rendering engine speed
governor inoperative so as to allow engine
speed to exceed manufacturer's
specifications
Modifying ECU parameters
Exhaust
System
Removing or rendering inoperative
exhaust system components
Fuel
System
Removing or rendering engine speed
governor inoperative, allowing engine
speed to exceed manufacturer's
specifications
Removing of air signal attenuator on
engines equipped with this device
Removing of diesel exhaust fluid tank and
system
Inner Fender
Shields and
Cab Skirts
Removing shield or skirts
Cutting away parts of shields, skirts
or damaged or loose portions of
shields or skirts
Noise
Insulating
Blankets
Removing noise insulators from
engine block or from around the oil
pan
Cutting holes in, or cutting away part
of noise insulators
Removing hood-mounted noise
insulation
MAINTENANCE - Noise and Emission Control
Y53-6076-1D1 (09/20) 257
5
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