GMC 2007 Envoy Denali, Owner'S Manual, Page: 400 / 562

Engine Air Cleaner/Filter
See Engine
Compartment Overview
on page 390
for the
location of the engine
air cleaner/filter.
When to Inspect the Engine Air
Cleaner/Filter
Inspect the air cleaner/filter at the Maintenance II
intervals and replace at the first oil change
after each 50,000 mile (83 000 km) interval.
See
Scheduled Maintenance on page 507 for more
information. If you are driving in dusty/dirty
conditions, inspect the filter at each engine oil
change.
How to Inspect the Engine Air
Cleaner/Filter
To inspect the air cleaner/filter remove the filter
from the vehicle and lightly shake the filter to
release loose dust and dirt. If the filter remains
caked with dirt, a new filter is required.
To inspect or replace the engine air cleaner/filter,
do the following:
1. Remove the screws on the engine air
cleaner/filter and lift off the cover.
2. Remove the air cleaner/filter from the housing.
Care should be taken to dislodge as little dirt
as possible.
3. Inspect or replace the engine air cleaner/filter.
4. Reinstall the cover and tighten the screws.
400