Engine Air Cleaner/Filter - GMC YUKON DENALI 1999 Owner's Manual

Engine Air Cleaner/Filter

The indicator is located in the air intake tube between
the air cleaner and the engine. See "Owner Checks and
Services" in the Index to determine when to check
the indicator.
If the area inside the clear section of the indicator is
green, no air filter service is required. When the area
inside the indicator is orange and CHANGE AIR
FILTER appears, the filter should be replaced.
The air cleaner assembly
has an indicator that lets
you know when the air
filter is dirty and needs to
be serviced.
Your air cleaner is located between the battery and
coolant recovery tank.
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