Buick LaCrosse Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
9159288) - 2016 - CRC - 10/5/15
Vehicle Care
241
To inspect or replace the engine air
cleaner/filter:
1. Open the hood. See
.
2. Disconnect the outlet duct by
loosening the air duct
clamp (2).
3. Disconnect the electrical
connector (1).
4. Remove the screws (3) on top
of the engine air cleaner/filter
housing.
5. Lift the filter cover housing
away from the engine air
cleaner/filter housing.
6. Pull out the filter.
7. Inspect or replace the engine
air cleaner/filter.
8. Reverse Steps 2
–
4 to reinstall
the filter cover housing.
3.6L V6 Engine FWD
1. Electrical Connector
2. Air Duct Clamp
3. Screws
4. Secondary Air Hose
To inspect or replace the engine air
cleaner/filter:
1. Open the hood. See
2. Disconnect the outlet duct by
loosening the air duct
clamp (2).
3. Disconnect the electrical
connector (1).
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.
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Warning
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.