How To Inspect The Engine Air Cleaner/Filter - Hummer H2 2009 Owner's Manual

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How to Inspect the Engine Air

Cleaner/Filter

Vehicles With an Air Filter Restriction

Locate the air ﬁlter restriction indicator on the engine

air duct. When the indicator turns black or is in the

red/orange change zone, replace the ﬁlter and reset the

indicator. See "Inspecting the Engine Air Cleaner/Filter

and Resetting the Air Filter Restriction Indicator" later in

this section for further instructions.

Vehicles Without an Air Filter Restriction

To inspect the air cleaner/ﬁlter, remove it from the

vehicle and lightly shake the ﬁlter to release loose dust

and dirt. If the engine air cleaner/ﬁlter remains caked

with dirt, a new ﬁlter is required. See "Inspecting

the Engine Air Cleaner/Filter and Resetting the Air Filter

Restriction Indicator" later in this section for further

instructions.

Inspecting the Engine Air Cleaner/Filter

and Resetting the Air Filter Restriction

1. Loosen the screws on the engine air cleaner/ﬁlter

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