Buick 2005 LaCrosse - Manual (Page 296)

When to Inspect the Engine Air
Cleaner/Filter
Inspect the air cleaner/filter at the Maintenance II
intervals and replace at the first oil change after
50,000 miles (83 000 km). See Scheduled Maintenance
on page 6-4 for more information. If you are driving
in 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 filter from
the vehicle and lightly shake the filter to release
loose dust and dirt. If the filter remains caked with dirt, a
new filter is required.
To inspect or replace the engine air cleaner/filter do the
following:
1. Lift the filter cover tabs on top of the engine air
cleaner/filter housing.
2. Push the filter cover housing toward the engine.
3. Pull out the filter.
4. Inspect or replace the engine air cleaner/filter. See
Normal Maintenance Replacement Parts on
page 6-13.
5. To reinstall the cover, position the tabs through the
slots on the housing. A notch on the sides of the
filter cover will indicate the correct engagement.
6. Push the cover tabs on top of the housing to lock
the cover in place.
{ CAUTION:
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 flame if the engine backfires. If it is not
there and the engine backfires, you could
be burned. Do not drive with it off, and be
careful working on the engine with the air
cleaner/filter off.
Notice: If the air cleaner/filter is off, a backfire can
cause a damaging engine fire. And, dirt can
easily get into your engine, which will damage it.
Always have the air cleaner/filter in place when you
are driving.
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