Cooling System - Buick Regal 2018 Owner's Manual

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.
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