How do you change a starter motor on a 2003 Ford Mondeo diesel?

To change the starter motor on a 2003 Ford Mondeo diesel, first ensure the vehicle is off and disconnect the negative battery terminal to prevent electrical shocks. Remove any necessary components for access, such as the air intake or engine cover. Then, unbolt the starter motor from its mounting, disconnect the wiring harness, and remove the starter. Install the new starter by reversing the process, ensuring all connections are secure before reconnecting the battery.