How to change external fuel pump for Volvo 740?

To change the external fuel pump on a Volvo 740, first, ensure the vehicle is safely elevated and supported. Disconnect the negative battery terminal, then locate the fuel pump, typically mounted on the frame rail near the fuel tank. Remove the fuel lines and electrical connections, then unbolt the pump from its mount. Install the new pump by reversing the process, ensuring all connections are secure before reconnecting the battery and testing the system.