Cadillac 2016 CT6 Owner's Manual page 275

274 Vehicle Care
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 engine air
cleaner/filter:
2.0L L4 Engine
1. Remove the five screws on top
of the engine air cleaner/filter
cover.
2. Lift the engine air cleaner/filter
cover open on the hinge.
3. Lift and remove the engine air
cleaner/filter.
4. Inspect or replace the engine
air cleaner/filter.
5. Reverse Steps 1 3 to reinstall
the engine air cleaner/filter
cover.
3.0L V6 Twin Turbo Engine
1. Remove the 10 screws on top
of the engine air cleaner/filter
cover to gain access to both air
cleaner/filters.
2. Lift the engine air cleaner/filter
cover open on the hinge.
3. Lift and remove one or both
engine air cleaner/filters.
4. Inspect or replace one or both
engine air cleaner/filters.
5. Reverse Steps 1 3 to reinstall
the engine air cleaner/filter
cover.