Tampering With Noise Control System Prohibited - GMC T-Series 1999 Owner's Manual

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 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.
Insulation:
D
Removal of the noise shields or any
underhood insulation.
6-16
Engine:
D
Removal or rendering engine speed governor (if
equipped) inoperative so as to allow engine speed to
exceed manufacturer specifications.
Fan and Drive:
D
Removal of fan clutch (if equipped) or rendering
clutch inoperative.
D
Removal of the fan shroud (if equipped).
Air Intake:
D
Removal of the air cleaner silencer.
D
Reversing the air cleaner cover.
Exhaust:
D
Removal of the muffler and/or resonator.
D
Removal of the exhaust pipes and exhaust
pipe clamps.
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