Toyota 2009 Tundra Owner's Manual page 531

4-3. Do-it-yourself maintenance
Cleaning method
n
508
Remove the filter cover.
Pull the filter out of the filter
outlet.
If the filter is dirty, clean by
blowing compressed
through the filter from the
downward side.
Hold the air gun 2 in. (5 cm)
from the filter and blow for
approximately 2 minutes at
72 psi (500 kPa, 5.0 kgf/cm
or bar).
If it is not available, have
the filter cleaned by your
Toyota dealer.
air
2