Buick 2002 Park Avenue - Manual (Page 282)

6-18
To check or replace the engine air cleaner/filter, do
the following:
1. Remove the wing nuts on the engine air cleaner/filter
housing cover.
2. Remove the air intake hose that snaps over the
throttle body by pulling the hose upward and away
from the throttle body. As you are detaching the
hose, remove the housing cover by pulling upward
and rearward.