Buick Regal Owner Manual (GMNA-Localizing-2nd Timed Print-U.S./Canada-
11486030) - 2018 - crc - 3/23/18
252
Vehicle Care
3.6L V6 Engine
To inspect or replace the engine air
cleaner/filter:
1. Remove the seven screws on
top of the engine air cleaner/
filter housing.
2. Lift the filter cover housing
away from the engine air
cleaner/filter housing.
3. Pull out the filter.
4. Inspect or replace the engine
air cleaner/filter.
5. Reverse Steps 1
–
3 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.
Caution
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 driving.
Cooling System
The cooling system allows the
engine to maintain the correct
working temperature.
When it is safe to lift the hood:
2.0L L4 Turbo Engine
1. Engine Cooling Fan (Out
of View)
2. Coolant Surge Tank and
Pressure Cap