Replace it when it fails. It may last the life of the car and it may fail at any time. Change the fuel filter every 50,000 miles or you will shorten the life of the fuel pump.
Inside the fuel tank.
fuel filter location
where is the fuel fiter located on a 1989 buick century wagon 2.5l 4cyl, and how do i go about replacing it.
Not sure of you did this check fuse, then check fuel filter
Yes
How do you Change a fuel pump on a 1985 Buick Century?
how can I add transmission fuel in my 2003 buick century
you have to go in and drop the gas tank... it is on the top
how do you replace the fuel pump on a 1997 buick lesabre
Look under vehicle along frame rail - follow fuel line from tank
How do you replace the fuel filter on a 2003 Buick Regal?
ITS IN THE FUEL TANK