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Black plate (17,1)
GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Vehicle Care
10-17
Engine Air Cleaner/Filter
If the 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 10
‑
6
for the location of the
engine air cleaner/filter.
When to Inspect the Engine Air
Cleaner/Filter
Inspect the air cleaner/filter at the
scheduled maintenance intervals
and replace it at the first oil change
after each 80 000 km (50,000 mi)
interval. See
Maintenance Schedule
on page 11
‑
3
for more information.
If driving on dusty/dirty conditions,
inspect the filter at each engine oil
change.
How to Inspect the Engine Air
Cleaner/Filter
To inspect the air cleaner/filter,
remove the engine air cleaner/filter
from the vehicle by following
Steps 1 through 6. When the
engine air cleaner/filter is removed,
lightly shake it to release loose dust
and dirt. If the engine air cleaner/
filter remains covered with dirt, a
new filter is required. Never use
compressed air to clean the filter.
Replacing the Engine Air Cleaner/
Filter
1. Locate the air cleaner/filter
assembly. See
Engine
Compartment Overview on
page 10
‑
6
.
2. Loosen the four screws on the
cover of the housing and lift up
the cover.