Because of the limitation of car life, in our country, car arrived 10 years commonly should retire, if maintain proper, love car to still can complete a mission on time healthily. But after seven years, the car gradually enters the old age, and at this age, the small parts that are replaced in the third and fourth year should almost be replaced again, such as the shock absorber. In addition, most automatic transmissions should be repaired at this time.
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