I will sort out whether it is necessary to do four-wheel alignment and dynamic balance when changing car tires.
In fact, no matter whether we change new tires or not, as long as we disassemble and assemble car tires, we need to make a dynamic balance. Because when the tire is reinstalled on the wheel hub, the average force is generally not 100%. If we don’t do a dynamic balance, it is likely that as the time we drive the car increases, the tires will wear out and even damage the car parts of the tires. Therefore, we only need to balance the disassembled car tires as much as possible. Because in this way, we can reduce the abnormal wear of car tires, thereby increasing the life of car tires.
If we change the new tires, it is recommended to do a four-wheel alignment. Although four-wheel alignment is not necessary, if the tire pattern of the front wheel of our car wears unevenly, it is necessary to do four-wheel alignment. If the wear is uniform and the car does not run off the track, the four-wheel alignment can be left out. If it is uniform wear, the tire is in a normal and very good position. In fact, the four-wheel alignment is mainly to make our car go in a straight line and to make our tires wear evenly. Therefore, if the tires wear evenly, there is no need to do four-wheel alignment.
Link to this article：Is it necessary for tire disassembly for four-wheel alignment and dynamic balance?
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