Check your owners manual. If you don't have one copy & paste this link. http://www.genuineservice.com/genuineservice/en/gloveboxresults
the 2003 expedition does have cabin air filter
There isn't any
Try changing the fuel filter Change your air filter
Doesn't have one.
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Take it to the dealership
The 2004 Ford expedition cabin air filter is located behind the dashboard, on the passenger side. The air filter should be labeled as such.
On the website www.nissanclub.com they have an excellent FAQ section for 2007+ generation Altima's. In it you will find a how-to with pictures on how to change your cabin filter.
If you mean "cabin air filter," there is not one on the 1997 Ford Expedition. I have a '97 Expedition Eddie Baur and have looked and researched thoroughly.
Very carefully :)
Locate the air filter case. In a 2007 Dodge Caliber, it is located on the right-hand side of the engine compartment.Unlatch the four latches located on the air filter cleaner compartment. Pop open the compartment and pull out the old air filter cleaner.Slide in the new air filter. Latch the air filter cleaner compartment. You have just replaced your car's air filter.Step 4Read more: How to Change an Air Filter on a 2007 Dodge Caliber | eHow.com http://www.ehow.com/how_6057163_change-filter-2007-dodge-caliber.html#ixzz0w7S8rcGJ
Purchase a Purolator Cabin Filter. It comes with detailed instructions.