Chevrolet 4500 HD 2023 Manual page 113

112 Climate Controls
Maintenance
Passenger Compartment Air Filter
Removing the Inside Air Filter
1. Remove the two clips securing the cover.
Remove the clips in the order of the
inner clip (1) followed by the outer
clip (2).
2. Remove the cover by pushing it upwards.
3. Remove and clean the filter. Use a
vacuum cleaner or the like to clean dust
and dirt from its surface.
Avoid interference with electric harnesses
when removing the filter.
In order to avoid filter damage, hard brushes
should not be used for filter cleaning.
Installing the Inside Air Filter
Install the filter in the reverse order to
removal.
Ensure that the filter is returned securely to
its original position. Failure to observe this
precaution can lead to rattling during travel.
The vehicle must not be used with the filter
removed or incorrectly installed. Failure to
observe this precaution can lead to air
conditioning system damage as a result of
dust, dirt and the like entering the system.
Removing the Outside Air Filter
1. Remove the filter from under the
instrument panel on the passenger side.
While pressing in the filter lock, on both
sides, pull out the filter.
2. Use a vacuum cleaner or the like to
clean dust and dirt from its surface.
In order to avoid filter damage, hard brushes
should not be used for filter cleaning.