Buick Regal: Engine Air Cleaner/Filter
When to Inspect the Engine Air Cleaner/Filter
For intervals on changing and inspecting the engine air cleaner/ filter.
How to Inspect the Engine Air Cleaner/Filter
Do not start the engine or have the engine running with the engine air cleaner/filter housing open. Before removing the engine air cleaner/ filter, make sure that the engine air cleaner/filter housing and nearby components are free of dirt and debris. Remove the engine air cleaner/filter. Lightly tap and shake the engine air cleaner/filter (away from the vehicle), to release loose dust and dirt. Inspect the engine air cleaner/filter for damage, and replace if damaged. Do not clean the engine air cleaner/filter or components with water or compressed air.
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2.0L L4 Turbo Engine
To inspect or replace the engine air cleaner/filter:
1. Remove the six screws on top of the engine air cleaner/filter housing.
2. Lift the filter cover housing away from the 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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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.
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.
READ NEXT:
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
Engine Cooling Fan (Out
of View)
Coolant Surge Tank and
P
Checking Coolant
The vehicle must be on a level
surface when checking the coolant
level.
Check to see if coolant is visible in
the coolant surge tank. If the coolant
inside the coolant surge tank is
boiling, do not d
Engine Overheating
The vehicle has an engine coolant
temperature gauge and an engine
coolant temperature warning light on
the instrument cluster to warn of
engine overheating.
If it is decided not to lift the hood
when
SEE MORE:
Battery - North America
The original equipment battery is
maintenance free. Do not remove
the cap and do not add fluid.
If equipped with a V6 engine, the
battery is under the trim panel on
the left side of the rear cargo area.
If equipped with an L4 engine, the
battery is under the hood. See
Engine Compartment Overview.
Seat Belts
This section describes how to use
seat belts properly, and some things
not to do.
Warning:
Do not let anyone ride where a
seat belt cannot be worn properly.
In a crash, if you or your
passenger(s) are not wearing
seat belts, injuries can be much
worse than if you are wearing
seat belts. You can be
