GMC 2005 Sierra Denali Owner's Manual page 292

Replacing the Engine Air Cleaner/Filter
and Resetting the Air Filter Restriction
Indicator
1. Locate the air cleaner/filter assembly on the front
corner of the engine compartment on the
passenger's side of the vehicle.
2. Loosen the screws on the cover of the housing and
lift up the cover.
5-20
3. Remove the engine air cleaner/filter from the
housing. Care should be taken to dislodge as
little dirt as possible.
4. Clean the engine air cleaner/filter sealing surfaces
and the housing.
5. Inspect or replace the engine air cleaner/filter.
6. Reinstall the cover and tighten the screws.
7. Reset the air filter restriction indicator, if equipped,
by pressing the top button on the indicator.