How To Inspect The Engine Air Cleaner/Filter - Chevrolet 2008 Silverado 1500 Pickup Owner's Manual

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 Steps 1 through 7 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 by following
Steps 1 through 7. 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
2. Loosen the four screws on the cover of the housing
and lift up the cover.
1. Locate the air
cleaner/filter assembly.
See Engine Compartment
Overview on page 5-14.
5-21