Cadillac CTS-V 2019 Owner's Manual page 256

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.
To inspect or replace the air cleaner/
filter:
2.0L L4 Engine (LTG) Shown, 3.6L
V6 Engine (LGX) Similar
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.
VEHICLE CARE
3.6L V6 Engine (LF3)
1. Lower Air Duct Clamp
2. Lower Electrical Connector
3. Upper Air Duct Clamp
4. Upper Electrical Connector
5. Screws
1. Disconnect the lower and upper
outlet ducts by loosening the
lower (1) and upper (3) air duct
clamps.
2. Disconnect the lower (2) and
upper (4) electrical connectors
and wiring attachments to air
cleaner/filter cover.
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