Volvo VN - Tampering with Noise Control System

INTRODUCTION9
TamperingwithNoiseControlSystem
Federallawprohibitsthefollowingactsorthecausingthereof:
(1)Theremovalorrenderinginoperativebyanyperson,otherthanforpurposesof
maintenance,repair,orreplacement,ofanydeviceorelementofdesignincorporated
intoanynewvehicleforthepurposeofnoisecontrolpriortoitssaleordeliverytothe
ultimatepurchaserorwhileitisinuse;
or
(2)theuseofthevehicleaftersuchdeviceorelementofdesignhasbeenremoved
orrenderedinoperativebyanyperson.
Amongtheactsthatconstitutetamperingaretheactslistedbelow:
•Removal,orrenderinginoperative,ofanyexhaustcomponents,includingmufers,
heavyordouble-wallexhausttubing,exibletubingorexhaustpipeclamping.
•Removal,orrenderinginoperative,ofthetemperature-modulatedcoolingfan
system.
•Removalofthecoolingfanshroud.
•Removal,orrenderinginoperative,oftheaircleanerorairintakein-linesilencer.
•Removalofthesounddeadeningmaterialfromthehoodorcabtunnel.
•Removal,orrenderinginoperative,oftheenginespeedgovernorsoastoallow
enginespeedtoexceedthemanufacturer’sspecications.
•Removalofsplashshieldslocatedinsidethewheelhousings.
•Removalofengineblockshields.
•Removalofenginecrankcaseshieldsorinsulation.
•Removalofinsulatedrockerarmcovers.