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Engine Air Cleaner/Filter
(Gasoline Engines)
If your vehicle has a diesel engine, see “Pickup Models”
under “Engine Air Cleaner/Filter” in the DURAMAX
®
Diesel Supplement for the correct inspection and
replacement procedures.
See Engine Compartment
Overview on page 5-14 for
the location of the
engine air cleaner/filter and
the air filter restriction
indicator, if equipped.
When to Inspect the Engine Air
Cleaner/Filter
If your vehicle is equipped with an air filter restriction
indicator, it lets you know when the engine air cleaner/
filter needs to be replaced. On vehicles with a restriction
indicator, you should inspect the air filter restriction
indicator at every oil change and replace the engine air
cleaner/filter when the indicator tells you to.
On vehicles without an air filter restriction indicator,
inspect the air cleaner/filter at the Maintenance II
intervals and replace it at the first oil change after each
50,000 mile (83 000 km) interval. See Scheduled
Maintenance (Gasoline Engine) on page 6-4 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
Vehicles With an Air Filter Restriction
Indicator
Locate the air filter restriction indicator on the engine air
cleaner/filter cover. When the indicator turns black or
is in the red/orange “change” zone, replace the filter and
reset the indicator. See the steps following to replace
the engine air cleaner/filter and to reset the air filter
restriction indicator.
Vehicles Without an Air Filter Restriction
Indicator
To inspect the air cleaner/filter, remove the engine air
cleaner/filter from the vehicle using the steps following.
When you have the engine air cleaner/filter removed,
lightly shake it to release loose dust and dirt. If the
engine air cleaner/filter remains caked with dirt, a new
filter is required.
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