Oh Ford, why do you do the things you do? My oil pan is plastic, as is the plug. Doesn't seem like the best idea but probably ok. The oil filter sits on the side of the engine and is very accessible - much more so than in my previous Japanese cars where I had to remove a wheel to get to the filter. However, the filter sits in a plastic cap/housing that can be seen here:
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That's a 27mm nut, which no one on planet Earth owns. Not a huge deal, especially when you have a second car to go to the store and get the right socket. It IS a huge deal, however, when the genius who did the last oil change overtightens it so when you go to undo it you just strip the plastic nut. The only solution at that point is to buy a whole new plastic cap/housing and then use brute force to take off the old one. Why, Ford, WHY?!?!?!