On my 99 SSEi, it was located on the passenger side just in front of the rear wheel.
If the Bonneville is like my GTP then the fuel filter is in front of the fuel tank
the owners manual states that replacement of the fuel filter is not required.
in front of the left rear tire
It should screw into the carburetor on the feed line.
where is the fuel filter located on a 2003 Pontiac sunfire
passenger side rear backseat area under car
Look along the frame rail or in front of fuel tank--follow fuel lines
the fuel filter is on the passengers side of the car by the right front wheel behind the bottom of the motor
fuel filter is located in front on right rear wheel mounted to the frame. bleed fuel pressure before changing it
fuel filter is located in front on right rear wheel mounted to the frame. bleed fuel pressure before changing it
Probably along the frame rail under vehicle -- follow fuel line from tank
Answering "1999 Pontiac Bonneville fuel shut off switch?"