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Cadillac CTS/CTS-V Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
12460273) - 2019 - CRC - 5/16/18
274 VEHICLE CARE
3. Remove the screws (5) on top of
the air cleaner/filter cover.
4. Lift the air cleaner/filter cover
away from the air cleaner/filter
housing.
5. Pull out the air cleaner/filter.
6. Inspect or replace the air
cleaner/filter.
7. Reverse Steps 1–5 to reinstall the
air cleaner/filter cover.
6.2L V8 Engine (LT4)
1. Remove the screws on top of the
air cleaner/filter cover.
2. Lift the air cleaner/filter cover
away from the air cleaner/filter
housing.
3. Pull out the air cleaner/filter.
4. Inspect or replace the air
cleaner/filter.
5. Reverse Steps 1–3 to reinstall the
air cleaner/filter cover.
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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.
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