2017-Focus-Owners Manual

Maintenance

CHANGING THE ENGINE AIR FILTER WARNING To reduce the risk of vehicle damage and personal burn injuries, do not start your engine with the air cleaner removed. Do not remove the air cleaner while the engine is running. When changing the air filter element, use only the air filter element listed in the Motorcraft Parts table. See Motorcraft Parts (page 272). For EcoBoost equipped vehicles: When servicing the air cleaner, it is important that no foreign material enter the air induction system. The engine and turbocharger are susceptible to damage from even small particles. Change the air filter element at the proper interval. See ScheduledMaintenance (page 409). Note: Failure to use the correct air filter element may result in severe engine damage. The customer warranty may be void for any damage to the engine if the correct air filter element is not used.

2. Remove the air filter element from the air filter housing. 3. Wipe any dirt or debris from the air cleaner assembly to make sure no dirt gets in the engine and tomake sure you have a good seal.

E170433 4. Install the new air filter element. Slide the open end of the air filter element in first, below the tab. Then push the closed end of the air filter into the bottom of the tray. The closed end should fit inside the groove in the tray. The tab of the closed end of the air filter should be oriented down and fit between the forks on the tray as shown at the arrow above. Note: Make sure you align the tab in the air filter element with the fork in the air cleaner assembly tray.

E171370 1. Loosen the four fasteners and remove the air cleaner assembly lid.

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Focus(CDH)Canada/UnitedStatesofAmerica,HM5J 19A321AAenUSA,Editiondate:201608,FirstPrinting