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Now the accident car and soaking car will undergo a special refurbishment, so that the current used car market is the game between repair shop and appraisal division. In order to be able to accurately determine whether the car is an accident vehicle or a soaking car, we should start from a few small places to observe.
　　 We divide the car into several parts to observe and judge one by one.
　　 First, the appearance of accessories
Check the lock to see if it is broken or glued. Then use the key to open each door and see if the door locks are the same set. Can you easily turn each door lock? It should be noted that if the rotation is very laborious, it can be opened even when the key is about to be turned off. This may be due to water soaking that the centrally controlled motor may rust and cause a malfunction.
　　 Second, the engine compartment
　　 Bubble car
1. Check if the fixed tripods of the lights and signal groups in the engine compartment are broken or loose. Check the wire connectors and sockets. If there is a lot of sediment or rust, it may indicate that the vehicle is soaked.
2. Check the bumper between the shock-absorbing material and the anti-collision steel girder. If there is a large amount of sediment or rust, it may indicate that it is a bubble truck.
3. Check the sound insulation cotton and the engine compartment cover. If there is much mud between the sound insulation cotton and the hatch cover, and there are traces of the disassembly of the engine cover screws, but the sound insulation cotton has no dismantling marks, it may indicate that it is a bubble truck.
4, check the tank and air conditioning radiator, if there is a large amount of mud in the gap of the heat sink, it may indicate that the water tanker, pay more attention to the inspection of other places.
　　 Accident vehicle
1. If the anti-collision steel beam is bent or the shock-absorbing material is damaged, it means that the front has suffered an impact.
2. Check the horn holder and the gasket. Through the dismantling traces, rust conditions, and paint adhesion conditions, you can roughly determine the front impact damage.
3, check the wiper spray hole, if there is spray paint attached, indicating that the impact repaired.
4. Check the fixing screws at the top of the tank and the fixed tripod at the bottom of the tank for impact marks and disassembly marks. If the car is not high in age and mileage, there are likely to be major collisions or serious engine failures, such as shredding of gaskets, poor heat dissipation, or rupture of the oil pan.
　　 Engine Room Identification
Check the engine body to administer electric wires and vacuum tubes, and whether the high-voltage ignition coils and spark plug gaps have mud traces, determine whether the pipeline cracking conditions are in line with the vehicle age, and whether the fuel injectors are fixed or not. Whether the spring has rust or not can help us to determine the probability of a soaking car.
　　 Focus on the key:
The high-pressure ignition coil fixing screws have rust-free detachment marks and help judge whether the engine has soaked water.
Check the top of the alternator and check for broken or welding marks.
Check all the power output cables in the engine room, if there is overheating, produce coke-like shape, and the collision will cause the insulation surface to be damaged, or the material age of the defective protection wire must be replaced.
Check the rear of the generator, if there is residual dirt on the wire, the possibility of water soaking is extremely high. 
Accident vehicles and sewer cars have a very large potential for accidents. Therefore, it is most important to determine the branch of the accident vehicle and soaking car. In the used car evaluation industry, there is a saying called "cars look at sheet metal, and carts look like tires." For a car, it can be roughly judged whether the car is an accident car and a water tanker and the value of the car through sheet metal and exterior paint. However, with the improvement of modern car body repair technology, it is increasingly difficult to do so. .