GMC 2008 Acadia - Manual (Page 334)

Engine Air Cleaner/Filter
When to Inspect the Engine Air
Cleaner/Filter
Inspect the air cleaner/filter at the Maintenance II
intervals and replace it at the first oil change after each
50,000 mile (80 000 km) interval. See Scheduled
Maintenance on page 6-4 for more information. If you
are driving in dusty/dirty conditions, inspect the filter
at each engine oil change.
See Engine Compartment Overview on page 5-14 for
the location of the engine air cleaner/filter.
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 (away from
vehicle) 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. Loosen the screws that hold the cover on.
2. Disconnect the electrical connector.
3. Lift off the cover.
4. Remove the engine air cleaner/filter element and
any loose debris that may be found in the air
cleaner base.
5. Inspect or replace the air filter element.
6. Reverse Steps 1 through 3 to reinstall the cover
and reconnect the electrical connector.
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