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Car right hind wheel oil leak is how to return a responsibility what reason is car hind wheel oil le

时间:2020-02-21人气: 作者: 小编

We can often see some cars after running, leaving a mark of oil on the road. Although the leakage is not much, but in order to drive safety, even a drop of oil leakage should be carefully checked, after all, oil is flammable and explosive, even a spark will ignite. So what could be the cause of an oil leak in a car's rear wheel?








Car right rear wheel oil leakage is how to return a responsibility


It may be that the rear axle oil seal is broken, resulting in gear oil leakage.




If the brake effect is not affected, then the cause of the brake oil leak can be ruled out. The rear axle is dominated by the differential and the half-shaft, which is located in the central gear package, and the two half-axles which transmit power to the wheels on each side. Rear axle cavity body is gear oil, for differential lubrication. Under normal circumstances, there is not much gear oil in the rear axle, which is mainly lubricated by the differential rotation splash. There is oil seal at both ends of the rear axle to prevent the leakage of gear oil from both sides.




It is recommended to replace the rear axle oil seal, do not add too much gear oil, not over part of the differential is enough, the differential will bring up the gear oil in the process of rotation, so do not add too much, otherwise it will be bad oil seal bubble.








What causes car wheels to leak oil


The top of the differential has a differential vent valve, first twist back and forth. If there is oil leaking from both hubs, then the vent valve is blocked.




Then look at the quantity of differential lubricating oil, if the amount of lubricating oil increases, check the quality of lubricating oil, find abnormal replacement. Because in the case of vehicle water, water is easy to enter through the vent.




If normal, to open check the rear wheel oil seal, check the shaft head in the butter. Butter is not too much, to wipe on the bearing on it, otherwise the hub heat dissipation is not good. The hub temperature is too high, the butter melts, the pressure in the hub increases, the oil seal will burst. It is recommended to change a shaft head oil seal directly, and the half shaft oil seal can also see whether it needs to be changed.








What is the purpose of the grooves on the wheels of a car


The first step is to increase adhesion, which is grip. Ensure the stable driving of the vehicle, will not deviate from the driving direction, especially when driving on the rough and rugged road surface, groove grain can make the vehicle in turning, accelerating, braking better adhere to the ground.




In addition, when it rains, the water can be discharged from the grooves when the tires and the ground contact, and the wet road can also catch the ground well in rainy days. If there is no pattern, there will be a film of water between the tire and the road, which can skid.




Another reason is aesthetics.


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