CHANGING THE ENGINE AIR
FILTER
WARNING
Do not start the engine with the air filterremoved. This can cause damage notcovered by the vehicle Warranty and canresult in serious injury.
Only use the specified replacement air filter.See Capacities and Specifications (page373).
Change the air filter element at the correctinterval. See Scheduled Maintenance (page509).
When changing the engine air filter, do notallow debris or foreign material to enter theair induction system. The engine andturbocharger are susceptible to damage fromeven small particles.
Note:Failure to use the correct air filterelement may result in severe enginedamage. Resulting component damage maynot be covered by the vehicle Warranty.
1. Release the clamps that secure the airfilter cover to the housing.
2. Carefully lift the air filter housing cover.
3.Remove the air filter element from the airfilter housing.
4. Wipe any dirt or debris from the air filterhousing and cover to make sure no dirtgets in the engine and that you have agood seal.
5.Install a new air filter element. Be carefulnot to crimp the filter element edgesbetween the air filter housing and cover. This could cause filter damage and allowunfiltered air to enter the engine if it isnot properly seated.
6. Install the air filter housing cover.
7. Engage the clips to secure the air filterhousing cover to the air filter housing.
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MKZ (CC9) Canada/United States of America, enUSA, Edition date: 201706, First Printing
MaintenanceE146427
