Chevrolet/GMC 2013 DURAMAX Diesel, Owner'S Manual

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Black plate (16,1)
Chevrolet/GMC DURAMAX Diesel - 2013 - CRC - 5/29/12
10-16 Vehicle Care
Engine Air Cleaner/Filter
Pickup Models
The air cleaner/filter assembly may
have an air cleaner/filter restriction
indicator that shows when the
engine air cleaner/filter is dirty and
needs to be serviced.
The air cleaner/filter restriction
indicator is located on the air
cleaner box.
When to Inspect
Inspect the air cleaner/filter every
25 000 km (15,000 mi) and replace
the filter if necessary.
How to Inspect
When the restriction indicator turns
black, or is in the red/orange
“ change ” zone, replace the filter and
reset the restriction indicator. The
air cleaner/filter assembly is located
on the front corner of the engine
compartment on the passenger side
of the vehicle.
To inspect and replace the filter and
reset the restriction indicator:
A. Clamp
B. Cover Electrical Connector
C. Restriction Indicator
D. Cover Screws
1. Disconnect the harness
connector from the air cleaner
cover electrical connector (B).
2. Loosen the screw on the
clamp (A) holding the air outlet
duct in place. Do not remove the
clamp. Move the air duct aside.