PART 8: MAINTENANCE AND SERVICE
PB1319 (CAT. NO. 5296 ) —161— 22-01691 (R02/02)
Noise Control System
Noise Emission Warranty
Peterbilt Motors Company warrants to the first person who purchases
this vehicle for purposes other than resale and to each subsequent pur-
chaser that this vehicle, as manufactured by Peterbilt Motors Company,
was designed, built and equipped to conform at the time it left Peter-
bilt’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 sys-
tem of the vehicle manufactured by Peterbilt. Defects in design,
assembly or in any part, component or system of the vehicle as man-
ufactured 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 Prohibited
Federal law prohibits the following acts or the causing thereof:
(1) The removal or rendering inoperative by any person other than for
maintenance, repair, or replacement, of any device or element of
design incorporated into any new vehicle for the purpose of noise con-
trol prior to its sale or delivery to the ultimate purchaser or while it is in
use, or (2) the operation 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:
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.
Engine Electronic Control Unit (ECU)
• Modifying ECU parameters.
Engine Cooling System
• Removing or rendering inoperative the fan clutch.
• Removing the fan shroud.
Air Intake System
• Removing or rendering inoperative the air cleaner / silencers or
intake piping.
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