Automobile maintenance is divided into several parts.

According to the vehicle operation range, it can be divided into vehicle overhaul, assembly overhaul, vehicle minor repair and parts repair.

Vehicle overhaul: refers to the recovery repair of a new or overhauled vehicle, after driving for a certain mileage (or time), through detection, diagnosis and technical appraisal, and by repairing or replacing any parts of the vehicle, so as to restore the vehicle to a good technical condition.

Assembly overhaul: refers to the recovery repair of vehicle assembly after a certain service time (or mileage) by repairing or replacing any parts (including basic parts) to restore its good technical condition and service life.

Vehicle minor repair: it is an operational repair to ensure or restore the working ability of the vehicle by repairing or replacing individual parts, mainly to eliminate hidden dangers that occur or are discovered during the operation or maintenance of the vehicle.

Parts repair: it is to repair parts that can no longer be used due to wear, deformation, damage and other reasons.

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