Noise Control System - GMC C series 2002 Owner's Manual

Before closing the hood or access panels, be sure all the
filler caps are on properly.
6-12
Place the prop rod, located
on the panel, where the
arrow is pointing.

Noise Control System

The following information relates to compliance with
federal noise emission standards for vehicles with a
Gross Vehicle Weight Rating (GVWR) of more than
10,000 lbs. (4 536 kg). The Maintenance Schedule
provides information on maintaining the noise
control system to minimize degradation of the noise
emission control system during the life of your vehicle.
The noise control system warranty is given in your
warranty booklet.
These standards apply only to vehicles sold in
the United States.