GMC Duramax 3.0L, Supplement Manual, Page: 42 / 71

Chevrolet/GMC 3.0L Duramax Diesel Engine Supplement (GMNA-Localizing-
U.S./Canada-13336148) - 2020 - CRC - 9/5/19
Vehicle Care 41
Change the fluid and filter at the
intervals listed in
Maintenance
Schedule 0 56 , and be sure to use
the fluid listed in Recommended
Fluids and Lubricants 0 61 .
Engine Air Filter Life
System
If equipped, this feature provides
the engine air filter's remaining life
and best timing for a change. The
timing to change an engine air filter
depends on driving and
environmental conditions.
When to Change the Engine
Air Filter
When the Driver Information Center
(DIC) displays a message to replace
the engine air filter at the next oil
change, follow this timing.
When the DIC displays a message
to replace the engine air filter soon,
replace the engine air filter at the
earliest convenience.
The system must be reset after the
engine air filter is changed.
If the DIC displays a message to
check the engine air filter system,
see your dealer.
How to Reset the Engine Air
Filter Life System
To reset:
1. Place the vehicle in P (Park).
2. Display the Air Filter Life on the
DIC. See Driver Information
Center (DIC) 0 12 .
3. Press
T
on the steering wheel,
or press the trip odometer reset
stem if the vehicle does not
have DIC controls, to move to
the Reset/Disable display area.
Select Reset, then press the
thumbwheel or press the reset
stem for several seconds.
4. Press the thumbwheel or the
reset stem to confirm the reset.
Engine Air Cleaner/Filter
The engine air cleaner/filter is
located in the engine compartment
on the driver side of the vehicle.
See Engine Compartment Overview
0 37 for more information on
location.
When to Inspect the Engine Air
Cleaner/Filter
If the vehicle is not equipped with
the engine air filter life system, see
Maintenance Schedule 0 56 for
intervals on inspecting and
replacing the engine air cleaner/
filter.
How to Inspect/Replace the
Engine Air Cleaner/Filter
Do not start the engine or have the
engine running with the engine air
cleaner/filter housing open. Before
removing the engine air cleaner/
filter, make sure that the engine air
cleaner/filter housing and nearby
components are free of dirt and
debris. Remove the engine air
cleaner/filter. Lightly tap and shake
the engine air cleaner/filter (away
from the vehicle), to release loose
dust and dirt. Inspect the engine air
cleaner/filter for damage, and
replace if damaged. Do not clean