How do you change lock barrel 2002 fiesta van tailgate?

To change the lock barrel on a 2002 Fiesta van tailgate, first, open the tailgate and remove any plastic trim or covers that conceal the lock mechanism. Next, locate the retaining screws or clips holding the lock barrel in place and remove them. Once the old barrel is free, insert the new lock barrel into the mechanism and secure it with the screws or clips. Finally, reassemble any trim pieces and test the lock to ensure it functions properly.