Cadillac CT4 Owner Manual (GMNA-Localizing-MidEast-15283644) - 2022 -
CRC - 7/28/21
VEHICLE CARE
295
4. Lift the engine air cleaner/filter
cover.
5. Lift and remove one or both engine
air cleaner/filters.
6. Inspect or replace one or both
engine air cleaner/filters.
7. Reverse Steps 1
–
4 to reinstall the
engine air cleaner/filter cover.
8. If equipped, reset the engine air
filter life system after replacing the
engine air filter. See
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Warning
Operating the engine with the air
cleaner/filter off can cause you or
others to be burned. Use caution
when working on the engine. Do
not start the engine or drive the
vehicle with the air cleaner/filter
off, as flames may be present if the
engine backfires.
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.
2.0L L4 Engine
1. Engine Coolant Surge Tank and
Pressure Cap
2. Engine Cooling Fan (Out of View)
2.7L L4 Engine
1. Engine Coolant Surge Tank and
Pressure Cap
2. Engine Cooling Fan (Out of View)
3. Cooling System Air Bleeder Cap