Chevrolet/GMC Duramax Diesel Supplement (GMNA-Localizing-U.S./Canada-
11354421) - 2018 - CRC - 5/9/17
Vehicle Care
99
3. Remove the two screws (2)
from the housing cover.
4. Raise the housing cover. Take
care not to move the air
cleaner/filter housing base (1),
to avoid any air leaks.
5. Remove the air cleaner/filter
from the housing base. Take
care to dislodge as little dirt as
possible.
6. Turn the dust valve
counterclockwise to remove
from the front intake air duct.
Check it for debris and clean
out if necessary.
7. Turn the dust valve clockwise
to reinstall.
8. Clean the air cleaner/filter
sealing surface and the
housing base.
9. Install the engine air cleaner/
filter.
10. Lower the air cleaner/filter
housing cover and secure with
the two screws.
11. Move the air duct in place and
tighten the two clamp screws.
12. Reinstall the wiring harness
electrical connector.
See
to
determine when to replace the
engine air cleaner/filter.
{
Warning
Operating the engine with the air
cleaner/filter off can cause you or
others to be burned. The air
cleaner not only cleans the air; it
helps to stop flames if the engine
(Continued)
Warning (Continued)
backfires. Use caution when
working on the engine and do not
drive with the air cleaner/filter off.
Caution
If the air cleaner/filter is off, dirt
can easily get into the engine,
which could damage it. Always
have the air cleaner/filter in place
when driving.
2.8L 4-Cylinder Engine Van
Models
The air cleaner/filter assembly is on
the front of the engine compartment
on the driver side of the vehicle.
See
When to Inspect the Engine Air
Cleaner/Filter
For intervals on changing and
inspecting the engine air filter, see
