The selection of second-hand vehicles to look at and try and drive is not enough. The true condition of a car, hidden in an invisible wip file, is also evident in the easily ignored details of the wheel. Many newcomers buy cars, focusing only on engines, interiors, mileage, while missing the two key components of the security record and wheel condition, and eventually buy vehicles that are poorly maintained and have experienced accidents. Today, from the point of view of combat vehicles, you are taught to check in step, from archives to hardware, floors and doors, to avoid vehicle risk。

I. Vehicular files first: a record of vehicle maintenance levels
The vehicle's maintenance records are similar to its health medical reports. The overall condition of the vehicles is more stable by maintaining them on time, repairing them in a transparent manner, and vehicles that are permanently released and frequently repaired often conceal a variety of faults. There are several practical means of searching, without the use of specialized tools, to ascertain the background of the vehicle。
This is the easiest and most widely accessible way of searching on line 1. The full report can be generated with one click by opening a micro-mail, searching for and following the crowd search service number, entering a vehicle with 17 frame numbers, or uploading a traffic pass photo directly。

It is not limited to mere preservation records. It also provides simultaneous access to a variety of items, including accident risk, insurance details, five car messages, data on new energy batteries, spreadsheet analysis, etc. Whether it is basic maintenance, such as conventional refuelling oil, filtering cores, or failure repair, accident settlement, all records are clearly presented, and a vehicle has been on track for several years and is well suited for a general buyer's fast-screening vehicle。
The highest accuracy of the data is verified at the bottom of the line, where the seller indicates that the vehicle has been maintained at the 4s store for a long period of time, and can go directly to the corresponding store. With vehicle-related documents, the original security account can be accessed with a frame number. 4s store records detail the authenticity of each maintenance project, replacement of accessories, and access to the shop. In addition to this, vehicles that have been permanently fixed for repair at large gas repair plants are able to check records at the door shop. It should be noted that repairs performed by vehicles at small private repair plants are not normally recorded in the system and cross-certification is recommended in conjunction with other methods。
Insurance checks with sellers to assist in filling gaps the registration number is provided, which allows for the retrieval of risk records and clear information on past collisions and settlement of claims. It is also possible to obtain documents directly from second-hand sellers for protection and risk insurance. Such an approach, however, depends on the good faith of the other party and inevitably involves the concealment or alteration of records, which can only be used as a supplementary reference and cannot be relied upon alone. Vigilance is essential if sellers deliberately evade and refuse to produce relevant records。

Ii. Further details of the wheel: small wheels, exposure to vehicle usage and accident risks
The rim is the “foot” of a vehicle, travelling on the road for a long time, touching, deforming and scraping are common. Many people feel that the turbo is merely an appearance, and that a few scratches are irrelevant. In fact, the damage to the turbo not only affects paint, but also directly relates to the safety of the car, and even makes it possible to determine whether the owner's driving habits and the vehicle has experienced a serious impact。
1. Three-step eye-to-eye screening for rapid identification of visible injuries, without professional equipment, can complete the basic inspection and be suitable for preliminary determination when viewing the vehicle on site. First, look at the appearance: look around the wheel to see if there are large scratches, paints, gaps on the surface of the wheel, and if the edge position is fractured, dents, high risk of damage. At the same time, it is observed that the gap around the tyre and the wheelbarrow is even, with a general deviation rate of rounded deformation. The vehicle is suspended and the tires are rotated, and the normal wheel is rotated and smooth, and the deformed wheel is significantly shaken. The second hand: slowly slid along the wheel's surface and edges, and felt any bumpy, sharp, sharp, tiny cracks, deformed positions that can easily be detected by hand. The third light knock test: with a rubber hammer at the point of the wheel, the sound clearly indicates that the structure is intact; if the sound is boring and empty, the inside of the wheel is damaged。
2. Specialized equipment tests, deep-seated and hidden malfunctions. The physical eye can only see surface problems, some minor deformations and loss of rounding are difficult to detect, with the assistance of specialized equipment at the maintenance shop. Animated balance test: a slight deformation of the wheel's larvae is not visible to the naked eye, but the vehicle moves to a high speed with directional vibrating, and the motion balance function accurately detects the loss of the wheel's radial and weight abnormalities. Four-wheel positioning: after impact deformation of the wheel, it drives the wheel away from the angle, with run-off, tyre grinding, etc. The four-wheel positioning data are abnormal and can reverse the determination of impact damage。
3. Different kinds of injuries, corresponding to different treatment options, are neither unjust nor security risks, depending on the weight of the round damage and the choice of repair or replacement. Light surface scraping: paint only, no cavities, only spray paint, radish repair, low cost, and no normal use after repair. Light deformation: there are no cracks, no gaps, and cold pressure correction can be made at a regular door shop, after which the balance must be rebalanced. It is recalled that metal fatigue can occur after the aluminum alloy wheel is corrected and long-term high-speed travel is not recommended. Severe deformation, cracking, large gap: direct replacement, do not repair continued use. The strength of such wheeled turbo structures has been significantly reduced, and high-speed driving is highly susceptible to explosive tires, uncontrolled, preference being given to the original plant or formal large brand parts and the safety of motor vehicles。
4. Traces and vehicle alarms of rim damage most of the damage to rims is due to routine driving irregularities: rapid crushing of pits, force-down teeth, slow-down belts, prolonged foetal failure, which exacerbates the impact of the rims and transforms. When selecting second-hand vehicles, four wheeled wheels with extensive scratches and multiple deformations will generally be able to judge the original owner's driving style, and the vehicle's chassis and hang rate will also be affected, requiring a focused check of the chassis。

Iii. Summary of car inspection: portfolio queuing to fully avoid vehicle purchase risks
The selection of second-hand vehicles is a gradual process, and it is recommended to follow the order of "check the files first, then verify the vehicle". (b) the second step, a thorough on-site examination of the state of the wheel, a multi-dimensional screening of injuries from the appearance, hand sense and professional tests, and a determination of the intensity of the use of the vehicle in combination with the wheel; the maintenance records determine that the vehicle is “inherently healthy” and that the wheel condition reflects “outside wear and tear”. These two checks will enable us to avoid the vast majority of accidents, major repairs and heavy vehicles, and to select a second-hand vehicle that will be in good condition and at a later stage. At the same time, day-to-day vehicle usage is expected to develop a good habit of slowing through complex roads and maintaining a standard tire pressure to reduce the probability of damage to the wheel rim。









