Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-16500442) -
2023 - CRC - 5/4/22
Vehicle Care
385
To inspect or replace the air
cleaner/filter:
2.0L L4 Engine Shown, 2.7L
L4 Engine Similar
1. Remove the five 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.
{
Warning
If part replacement is
necessary, the part must be
replaced with one of the
same part number or with an
equivalent part. Use of a
replacement part without
the same fit, form, and
function may result in
personal injury or damage to
the vehicle.
4. Inspect or replace the air
cleaner/filter.
5. Reverse Steps 1
–
3 to
reinstall the air
cleaner/filter cover.
6. If equipped, reset the
engine air filter life system
after replacing the engine
air filter. See Engine Air
Filter Life System
3.6L V6 Engine
1.
Air Duct Clamps
2.
Electrical Connectors
3. Screws
1. Disconnect the harness
connectors from the air
cleaner/filter cover
electrical connectors (2).
2. Loosen the screws on the
air duct clamps (1) holding
the air outlet ducts in
place. Do not remove
clamps. Move the ducts
aside.