Buick 2011 Lacrosse - Manual (Page 314)

Black plate (14,1) Buick LaCrosse Owner Manual - 2011
10-14 Vehicle Care
When to Inspect 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 Scheduled
Maintenance on page 11‑2 for
more information. If you are driving
in 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 filter from the vehicle
and lightly shake the filter to release
loose dust and dirt. If the filter
remains caked with dirt, a new filter
is required.
To inspect or replace the engine air
cleaner/filter do the following:
2.4 L L4 Engine
1. Remove the screws on top of
the engine air cleaner/filter
housing.
2. Lift the filter cover housing away
from the engine.
3. Pull out the filter.
4. Inspect or replace the engine air
cleaner/filter.
5. Lower the filter cover housing
toward the engine.
6. Install the screws to the top of
the housing to lock the cover in
place.