Engine Air Cleaner/Filter - Chevrolet 2009 TrailBlazer Owner's Manual

Engine Air Cleaner/Filter

4.2L L6 Engine shown,
5.3L and 6.0L V8
Engines similar
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 each
50,000 mile (80 000 km) interval. 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.
5-24
See Engine Compartment
Overview on page 5-12
for the location of the
engine air cleaner/filter.
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. Remove the screws on the engine air cleaner/filter
and lift off the cover.
2. Remove the air cleaner/filter from the housing. Care
should be taken to dislodge as little dirt as possible.
3. Inspect or replace the engine air cleaner/filter.
4. Reinstall the cover and tighten the screws.