GM Chevrolet Avalanche - Manual (Page 357)

How to Inspect
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.
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.
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