Noise Emission Controls - freightliner M2 Plus Maintenance Manual

General Information

Noise Emission Controls

Federal Law, Part 205:
Transportation Equipment Noise
Emission Controls
Part 205, Transportation Equipment Noise Emission
Controls, requires the vehicle manufacturer to furnish
each new vehicle with written instructions for the
proper maintenance, use, and repair of the vehicle
by the ultimate purchaser to provide reasonable
assurance of the elimination or minimization of noise
emission degradation throughout the life of the
vehicle. In compliance with the law, the Noise
Emission Control Systems maintenance located in
each applicable group within this manual, in
conjunction with the vehicle workshop manual,
provides these instructions to owners.
Recommendations for
Replacement Parts
Replacement parts used for maintenance or repair of
noise emission control systems should be genuine
Freightliner parts. If other than genuine Freightliner
parts are used for replacement or repair of
components affecting noise emission control, the
owner should be sure that such parts are warranted
by their manufacturer to be equivalent to genuine
Freightliner parts in performance and durability.
Freightliner Noise Emissions
Warranty
Refer to the vehicle owner's warranty information
book for warranty information concerning noise
emission control systems.
Tampering With the Noise
Control System is Prohibited
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
Business Class M2 Plus Maintenance Manual, 02/120/2023
Noise Emission Controls: 00–12
the purpose of noise control prior to its sale or
delivery to the ultimate purchaser or while it is in
use,
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:
1. Removal of engine noise-deadening panels,
including cab or hood liners.
2. Removal of or rendering inoperative the engine
speed governor so as to allow engine speed to
exceed the manufacturer's specifications.
3. Removal of or rendering inoperative the fan
clutch, including bypassing the control on any
thermostatic fan drive to cause it to operate
continuously.
4. Removal of the fan shroud.
5. Removal of or rendering inoperative exhaust
system components, including exhaust pipe
clamping.
6. Removal of air intake system components.
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