2003 Buick LeSabre Owner's Manual - Page 271

3. Disconnect the electrical connector from the air intake hose. This will allow you to lift the rear portion of the engine air cleanedfilter housing. 2. Remove the air intake hose that is snapped over the throttle body by pulling the hose upward and away from the throttle body which is located near the top of the engine. 4. After detaching the hose from the throttle body, pull back the entire rear portion the engine of air cleaner/filter housing bypulling upward and rearward. 5-20