Cadillac 2013 Escalade Owner's Manual page 375

If driving on dusty/dirty conditions,
inspect the filter at each engine oil
change.
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.
1. Locate the air cleaner/filter
assembly. See
.
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.
5. Inspect or replace the engine air
cleaner/filter.
6. Reinstall the cover and tighten
the screws.