Chevrolet 2004 Blazer, Owner'S Manual

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Engine Air Cleaner/Filter
See Engine Compartment Overview on page 5-12 for
more information on the location of the engine air
cleaner/filter.
When to Inspect the Engine Air
Cleaner/Filter
Inspect the air cleaner/filter every 15,000 miles
(25 000 km) and replace every 30,000 miles
(50 000 km). 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 filter to release loose dust
and dirt. If the filter remains “caked” with dirt, a new filter
is required.
To inspect or replace the filter do the following:
1. Remove the fasteners that hold the cover on and
remove the cover.
2. Lift out the engine air cleaner/filter.
3. Insert a new air filter, if needed. See Normal
Maintenance Replacement Parts on page 6-35
to determine which filter to use.
4. Reinstall the engine air cleaner/filter cover.
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