Chevrolet 2005 Equinox Owner's Manual page 252

6. Undo the clamps on the filter cover. To remove
the cover, pull up on the front and then pull the
cover out.
5-20
7. Inspect or replace the engine air cleaner/filter.
If the air filter element is dirty, you should replace
it. If it is only dusty, it may be cleaned by blowing
compressed air through it from the clean side.
Make sure you are away from the engine
compartment when cleaning the air filter with
compressed air.
Wipe all dust from inside of the housing and inspect
the air cleaner and air outlet duct for cracks, cuts
and deterioration. The air outlet duct must be
replaced if damaged.
8. Reinstall the filter cover and latch the clamps.
9. Reattach the air outlet duct and tighten the screws
on the clamps that hold the duct in place.
10. Reconnect the crank case ventilation tube.
11. Reconnect the air flow sensor electrical connector.