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Black plate (16,1)
Buick Regal Owner Manual - 2011
10-16 Vehicle Care
3. Disconnect the electrical
connector (A).
4. Remove the screws (C) on top
of the engine air cleaner/filter
housing.
5. Lift the filter cover housing away
from the engine.
6. Pull out the filter.
7. Inspect or replace the engine air
cleaner/filter.
8. Reverse Steps 2 through 4 to
reinstall the filter cover housing.
2.4 L L4 Engine
1. Open the hood. See Hood on
page 10‑5.
A. Screws (6)
B. Air Duct Clamp
C. Electrical Connector
2. Disconnect the outlet duct by
loosening the air duct clamp (B).
3. Disconnect the electrical
connector (C).
4. Remove the screws (A) on top of
the engine air cleaner/filter
housing.
5. Lift the filter cover housing away
from the engine.
6. Pull out the filter.
7. Inspect or replace the engine air
cleaner/filter.
8. Reverse Steps 2 through 4 to
reinstall the filter cover housing.
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WARNING
Operating the engine with the air
cleaner/filter off can cause you or
others to be burned. The air
cleaner not only cleans the air; it
helps to stop flames if the engine
backfires. Use caution when
working on the engine and do not
drive with the air cleaner/filter off.
Notice: If the air cleaner/filter is
off, dirt can easily get into the
engine, which could damage it.
Always have the air cleaner/filter
in place when you are driving.