GMC 2012 GMC Sierra Denali, Owner'S Manual, Page: 353 / 502

Black plate (15,1)
GMC Sierra Denali Owner Manual - 2012 - 2nd - 11/10/11
Vehicle Care 10-15
Engine Air Cleaner/Filter
See Engine Compartment Overview
on page 10 ‑ 6 for the location of the
engine air cleaner/filter.
Inspect the air cleaner/filter at the
scheduled maintenance intervals
and replace it at the first oil change
after each 80 000 km (50,000 mi)
interval. See
Maintenance Schedule
on page 11 ‑ 3 for more information.
If driving on dusty/dirty conditions,
inspect the filter at each engine oil
change.
How to Inspect the Engine Air
Cleaner/Filter
To inspect the air cleaner/filter,
remove the engine air cleaner/filter
from the vehicle by following
Steps 1 through 6. 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.
Replacing the Engine Air Cleaner/
Filter
1. Locate the air cleaner/filter
assembly. See Engine
Compartment Overview on
page 10
‑ 6 .
2. Loosen the four screws on the
cover of the housing and lift up
the cover.
3. Remove the engine air cleaner/
filter from the housing. Care
should be taken to dislodge as
little dirt as possible.
4. Clean the engine air cleaner/
filter sealing surfaces and the
housing.