What Is a Social Security Number (SSN)? A SSN is a nine-digit identifying number is in the format xxx-xx-xxxx. Any individual who is a U.S. Citizen, a permanent resident, or a temporary alien resident who is authorized to work in the United States, must have a SSN.
The most common cause of a flat tire is puncturing of the tire by a sharp object, such as a nail, letting air escape. Depending on the size of the puncture, the tire may deflate slowly or rapidly.
This wobble will cause the tire to wear improperly and probably show up as a vibration as well. Bent Wheels: A bent wheel, in addition to probably causing a vibration in the car, will also affect the wear on it's tire and can even affect the wear on the other tires as well.