How do you replace the upper and lower ball joints on a 93 ford ranger 4x4?

To replace the upper and lower ball joints on a 1993 Ford Ranger 4x4, start by safely lifting the vehicle and removing the front wheels. Next, detach the brake caliper and rotor, then remove the steering knuckle to access the ball joints. Use a ball joint press to remove the old joints and install the new ones, ensuring they are properly seated. Reassemble the components in reverse order, and make sure to torque all bolts to the manufacturer's specifications.