GMC Cadillac CT5 2021 Manual page 321

320 VEHICLE CARE
2.0L L4 Engine
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
Warning (Continued)
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 0 318.
3.0L 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.
3. Remove the 13 screws (3) on top of
the engine air cleaner/filter cover
to gain access to both air cleaner/
filters.
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 Engine Air
Filter Life System 0 318.