Technical data

Black plate (15,1)
Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - CRC - 10/21/14
Vehicle Care 10-15
Engine Air Cleaner/Filter
Pickup Models
The air cleaner/filter assembly is on
the front corner of the engine
compartment on the passenger side
of the vehicle.
When to Inspect the Engine Air
Cleaner/Filter
Inspect the air cleaner/filter every
25 000 km (15,000 mi) and replace
the filter if necessary.
How to Inspect the Engine Air
Cleaner/Filter
To inspect the air cleaner/filter,
remove the engine air cleaner/filter
by following Steps 1–9. When the
engine air cleaner/filter is removed,
lightly shake it to release loose dust
and dirt. If the engine air cleaner/
filter remains covered with dirt, a
new filter is required. Never use
compressed air to clean the filter.
1. Cover Screws
2. Cover Electrical Connectors
3. Clamp
To inspect and replace the filter:
1. Disconnect the harness
connectors from the air cleaner
cover electrical connector (2).
2. Loosen the screw on the
clamp (3) holding the air outlet
duct in place. Do not remove the
clamp. Move the air duct aside.
3. Remove the two air cleaner
housing cover screws (1).
4. Raise the air cleaner housing
cover and remove the air
cleaner/filter from the air cleaner
housing. Take care to dislodge
as little dirt as possible.
5. Clean the filter sealing surface
and the housing.
6. Install the new engine air
cleaner/filter.
7. Lower the air cleaner housing
cover and secure with the two
screws.
8. Install the air duct and tighten
the screw on the clamp to
secure it to the air cleaner
housing.
9. Install the harness electrical
connectors.
See Maintenance Schedule on
page 11-3 to determine when to
replace the engine air cleaner/filter.