1999 Buick Park Avenue Owner's Manual - Page 276
1999 Buick Park Avenue Manual
Page 276 highlights
yellowblue 1. Remove the wing nuts on the air cleaner 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 air cleaner housing cover by pulling upward and rearward. 6-18