Your vehicle's air filter filters particles and debris out of the air passing through the engine as your vehicle runs. The 2007 Ford Focus is equipped with a cylinder style air filter, easily located on top of the engine. Overtime, the air filter will become dirty and require replacement. You can purchase a replacement air filter at an auto parts store. Keep up with regular air filter maintenance to help ensure maximum fuel mileage and clean emissions.
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Things you need
- Owner’s manual (if necessary)
- Flat head screwdriver
- New air filter
Allow the Ford Focus to cool down for 30 minutes before beginning work to help prevent burns.
Open the bonnet of the Ford Focus and locate the air filter housing on top of the vehicle engine--it looks like a black plastic cylinder. (Refer to the Focus owners’ manual for a diagram if needed.)
Locate the clips surrounding the air filter housing. Pry open each clip using a flat head screwdriver and a small amount of force. Open the housing by simply lifting it up to reveal the dirty air filter. Remove the air filter by pulling it out of place.
Insert the new air filter into the air filter housing. Close the cover of the air filter housing and press down each clip to secure it into place. Close the bonnet of the Ford Focus.
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