如何更换汽车轮胎?
工具和材料：
- 新轮胎
- 塞子
- 膨胀剂 *wrench
- Tire pressure gauge
步骤：
- ** park the vehicle on a level surface and apply the parking brake.**
- locate the tire that needs to be replaced. The tire with the most wear and tear will likely be the one that needs to be replaced.
- Loosen the lug nuts on the flat tire. Use the wrench to turn the nuts counterclockwise until they are loose.
- Remove the lug nuts and take off the flat tire. Use the wrench to turn the nuts counterclockwise until they are loose.
- Place the new tire on the hub. Make sure that the tire is seated properly, with the bead in the center of the hub.
- ** Inflate the new tire to the correct pressure.** Use the tire pressure gauge to make sure that the tire is inflated to the correct pressure.
- Replace the lug nuts and tighten them in a star pattern. Tighten the nuts in a star pattern, tightening each nut a little bit at a time until they are snug.
- Lower the vehicle until the tire touches the ground. This will help to seat the tire properly.
- ** Inflate the tire to the correct pressure.** Use the tire pressure gauge to make sure that the tire is inflated to the correct pressure.
- Tighten the lug nuts in a star pattern. Tighten the nuts in a star pattern, tightening each nut a little bit at a time until they are snug.
- Remove the jack and put away the tools and materials.
提示：
- Always use a jack that is rated for the weight of your vehicle.
- Never jack up a vehicle on an incline.
- Be careful when removing and installing the lug nuts.
- If you are not comfortable changing a tire, you can take your vehicle to a tire shop.
