Starter Switch Check; Engine; Fan And Drive; Air Intake - GMC 2014 Sierra Owner's Manual

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.
Removal of the noise shields or any
underhood insulation.
Removal or rendering engine speed
governor, if the vehicle has one,
inoperative so as to allow engine
speed to exceed manufacturer
specifications.
Removal of fan clutch, if the
vehicle has one, or rendering
clutch inoperative.
Removal of the fan shroud, if the
vehicle has one.
Removal of the air cleaner
silencer.
Modification of the air cleaner.
Removal of the muffler and/or
resonator.
Removal of the exhaust pipes
and exhaust pipe clamps.
When you are doing this
inspection, the vehicle could
move suddenly. If the vehicle
moves, you or others could be
injured.
1. Before starting this check, be
sure there is enough room
around the vehicle.
2. Firmly apply both the parking
brake and the regular brake.
See
.
Do not use the accelerator
pedal, and be ready to turn off
the engine immediately if it
starts.