Automatic transmissions are the weak link on most FWD cars. Here's how to change the transmission fluid and filter yourself:
https://www.askmehelpdesk.com/cars-t...tml#post552241
Ford recommends changing the transmission fluid and filter every 30,000 miles. By the way, I own a 2000 Taurus--great car.
Change air filter every 30,000 miles.
Change fuel filter every 30,000 miles.
Change antifreeze (50/50 mixture green antifreeze and distilled water) every 30,000 miles.
Change platinum spark plugs every 50,000 miles.
Change PCV Valve every 50,000 miles.
Change brake fluid every 2 years.
Change power steering fluid (Mercon ATF) every 2 years. If you use Mobil 1 Synthetic ATF, change every 75,000 miles.