How do you replace the fuel pump located on a 1996 Buick Century?

Disconnect battery.

Relieve fuel pressure.

Remove tank from car.

Use compressed air to clean the tank, then spray with oil from an aerosol can to reduce the likelihood of combustion.

Use a hammer and brass drift, turn the lock ring counterclockwise to unlock.

Lift the tank unit upwards out of the tank. Tilt as needed to avoid bending the sender float. Fold the pickup screen if needed.

Look inside the tank for and sediment or flotsam that may need to be removed.

Unplug the tank unit to pump electrical connector.

Unclamp the pump to tank unit hose and replace pump and hose.

Install as reverse of above.