Remove the primary filter element.
Reverse the steps in order to install the primary filter
Engine Air Filter Secondary Element - Replace
Always replace the secondary filter element. Never
attempt to reuse it by cleaning.
The secondary filter element should be replaced at the
time the primary element is serviced for the third time.
The secondary filter element should also be replaced if the
yellow piston in the filter element indicator enters the red
zone after installation of a clean primary element, or if the
exhaust smoke is still black.
Open the engine compartment.
Remove the air cleaner housing cover.
Engine Air Filer Secondary Element -Replace