Noise Control System - GMC Sierra 2018 Owner's Manual

All Other Series and Engines
To get an accurate reading, the
vehicle should be on a level
surface.
For all 4.3L and 5.3L 1500
Series applications, the proper
level is 1.0 mm to 19.0 mm
(0.04 in to 0.7 in) below the
bottom of the fill hole, located on
the rear axle. Add only enough
fluid to reach the proper level.
For 6.2L 1500 Series
applications, the proper level is
from 15 mm to 40 mm (0.6 in to
1.6 in) below the bottom of the
fill plug hole, located on the rear
axle. Add only enough fluid to
reach the proper level.
For all 6.0L 2500HD Series
applications, the proper level is
from 0 mm to 13 mm (0 to 0.5 in)
below the bottom of the fill plug
hole, located on the rear axle.
Add only enough fluid to reach
the proper level.
For all 6.6L Duramax Diesel
2500HD Series applications and
all 3500 Series applications, the
proper level is from 17 mm to
21 mm (0.6 in to 0.8 in) below
the bottom of the fill plug hole,
located on the rear axle. Add
only enough fluid to reach the
proper level.
What to Use
Refer to Recommended Fluids and
Lubricants 0 440 to determine what
kind of lubricant to use.
Vehicle Care

Noise Control System

Noise Emissions Warranty
General Motors warrants to the first
person who purchases this vehicle
for purposes other than resale and
to each subsequent purchaser that
this vehicle as manufactured by
General Motors, was designed, built
and equipped to conform at the time
it left General Motors s control with
all applicable U.S. EPA Noise
Control Regulations. This warranty
covers this vehicle as designed,
built and equipped by General
Motors, and is not limited to any
particular part, component or
system of the vehicle manufactured
by General Motors. Defects in
design, assembly or in any part,
component or system of the vehicle
as manufactured by General
Motors, which, at the time it left
General Motors s control, caused
noise emissions to exceed Federal
standards, are covered by this
warranty for the life of the vehicle.
The following information relates to
compliance with federal noise
emission standards for vehicles with
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