Buick LaCrosse 2014 Owner's Manual page 265

4. Remove the screws (3) on top of
the engine air cleaner/filter
housing.
5. Disconnect the secondary air
hose (4).
6. Lift the filter cover housing away
from the engine air cleaner/filter
housing.
7. Pull out the filter.
8. Inspect or replace the engine air
cleaner/filter.
9. Reverse Steps 2 5 to reinstall
the filter cover housing.
Operating the engine with the air
cleaner/filter off can cause you or
others to be burned. The air
cleaner not only cleans the air; it
helps to stop flames if the engine
backfires. Use caution when
working on the engine and do not
drive with the air cleaner/filter off.
If the air cleaner/filter is off, dirt
can easily get into the engine,
which could damage it. Always
have the air cleaner/filter in place
when you are driving.
The cooling system allows the
engine to maintain the correct
working temperature.
1. Engine Cooling Fans (Out
of View)
2. Coolant Surge Tank and
Pressure Cap