Transcription: Now let me demonstrate how you can change a tire. It involves first loosening the lug nuts at the wheel and sliding the jack underneath the car. Next, firmly place the jack up against a secure part of the car near the wheel and then slowly jack the car up until the wheel is just off the ground. Remove the lug nuts and tire and mount the new tire. Replace the lug nuts, jack the car back and re-tighten the lug nuts. To adjust your wheel bearings, you need to first remove the wheel bearing cap, which will then expose the cotter pin and nut. Remove the cotter pin and tighten the cotter nut until i ...