Chevrolet 2001 Tahoe Owner's Manual page 220

The front bumper lower air dam is held in place by a
series of push pins located around the lower edge of
the front bumper. The push
underneath the front bumper.
-
pins are accessible from
The following steps must be performed on each of the
-
push pins to remove the air dam:
1. Insert the blade portion
-
of a flat tip screwdriver
-
into the push pin slot
and pull downward
-
until the push pin
snaps loose.
2. While continuing to
pull downward on the
-
push pin, squeeze and
turn the expandable
-
end of the push pin
with a pair of pliers
until it releases from
the retainer.
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