How do you replace the drivers door hinge pins on a 2003 Chevy Express van?

To replace the driver's door hinge pins on a 2003 Chevy Express van, first, support the door to prevent it from falling. Remove the hinge cover and then use a hammer and punch to drive out the old hinge pins. Once the pins are removed, insert the new hinge pins and secure them in place. Finally, test the door's movement and reattach any removed components.