How do you remove king pins from 2002 npr hd?

To remove king pins from a 2002 NPR HD, start by safely lifting and securing the vehicle, then remove the front wheels. Next, disconnect the brake components and any steering connections. Use a king pin removal tool to press out the old king pins from the axle and spindle. Once removed, clean the housing, install new pins, and reassemble all components in reverse order, ensuring everything is secured properly.