Chevrolet GMC 6.6L Duramax Diesel 2020 User Manual

Chevrolet/GMC 6.6L Duramax Diesel Engine Supplement (GMNA-Localizing-
U.S./Canada-13337828) - 2020 - CRC - 4/17/19
Vehicle Care 67
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 in the
owner ’s manual.
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 in the
engine compartment. See Engine
Compartment Overview 0 62.
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 81 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
filter housing open. Before removing
the engine air filter, make sure that
the engine air filter housing and
nearby components are free of dirt
and debris. Remove the engine air
filter. Lightly tap and shake the
engine air filter (away from the
vehicle) to release dust and dirt.
Inspect the engine air filter for
damage, and replace if damaged.
Do not clean the engine air filter or
components with water or
compressed air. When changing the
air filter, remove the dust valve from
the front intake air duct and clean
out any debris if necessary.
Caution
Water sprayed into or on the air
intake box in the engine
compartment may damage the air
filter or electrical components. Do
not spray water into or on the air
intake box.

Chevrolet GMC 6.6L Duramax Diesel 2020 Specifications

General

Brand	Chevrolet
Model	GMC 6.6L Duramax Diesel 2020
Category	Engine
Language	English