Its easy. I found instructions for free on autozone's website when I looked up the part. I replaced it in about 30 minutes.
You must remove the fuel tank.
fuel filter location
17.5 GALLONS
Clean fuel injectors help to keep a car running well. A person can clean the fuel injectors on a 2001 Buick Century by adding fuel injector cleaner to their gas tank when its empty and about to be filled with gas.
How do you Change a fuel pump on a 1985 Buick Century?
how can I add transmission fuel in my 2003 buick century
ITS IN THE FUEL TANK
The 2001 Buick LeSabre's fuel tank holds 18.5 gallons as found on http://consumerguideauto.howstuffworks.com/2001-buick-lesabre-3.htm
Drop the fuel tank.
The 2001 Buick Regal runs on regular unleaded.
The fuel filter for a 1999 Buick century is located on the drivers side frame in front of the fuel tank. It is an inline type and is easy to change.
where is the fuel fiter located on a 1989 buick century wagon 2.5l 4cyl, and how do i go about replacing it.