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Wrong maintenance method anti - injury car tank is too hot to add water danger

发布时间:2018/7/3 17:19:27 分类:FQA

One, the water tank "pan" quickly add water




Cylinder cracking summer climate is hot, some drivers see the water tank appears "open pot" phenomenon, worry about the temperature of the engine again, immediately turn off the fire and add water. This practice is a fault, it is very likely to constitute a cylinder head due to sudden cold and cracking phenomenon.




Second, the cooling water temperature is too low




Wear engine summer climate is hot, some drivers in order to avoid the engine temperature is too high, blindly asked for cooling water temperature as low as possible; Some drivers in order to achieve the intention of cooling down, simply to remove the thermostat, these practices are wrong. Car engine both afraid of heat and afraid of cold, if the temperature of cooling water is too low, will make fuel incineration deterioration, fuel consumption added, aggravating wear, oil viscosity added, engine power decreased. The experiment indicates that when the cooling water temperature of the car is 40-50 degrees Celsius, the engine wear is increased by 60-80%, the power is reduced by 25%, and the fuel consumption is increased by 8%-10%. Therefore, the temperature of cooling water is not the lower the better, generally should be controlled in 80-90 degrees Celsius.




Wash your car in the hot sun




Many car owners like to wash their cars in the hot sun, thinking that they will soon be able to dry the water on the car. It is wrong actually, wash a car under burning sun, the convex lens effect that water droplet place forms can make the topmost of car lacquer produces local high temperature phenomenon, time is long, car lacquer can lose luster. If at the moment wax, also simple constitute the body color is not even. So, wash a car to wax had better be to undertake below the condition that has cover, if cannot ensure, had better choose in overcast day or the morning when sunny, dusk undertakes.




Washing a car is like taking a bath




Harm air conditioning summer temperature rises, dust increases, the car body is simple and dirty, the frequency that car owner washes a car also begins to rise, a lot of car owner also expect to be like to wash oneself when washing same get thorough bottom. But this wants to pay attention to is, must keep the surface of car air conditioning dry, if car air conditioning is not careful to be wet, can affect the life of car air conditioning.




Too much oil




When the engine oil sump oil shortage, bearing and journal and other conflicts will be less than two smooth oil, aggravating wear, and even lead to burning tile shaft. However, if the oil is too much, the engine in the operation of the crankshaft, the large end of the connecting rod will occur violent agitation, not only added to the internal power loss of the engine, and also can make the oil splashed on the cylinder wall increased, occurs burning exhaust oil problem. Therefore, the oil in the engine oil sump should be controlled between the oil ruler and the bottom line.


The bolts are too tight


Permanent deformation car with a lot of fasteners bolt, nut connection, should ensure that it has to meet the pre-tightening force, but also can not be screwed too tight, on the one hand will make the joint under the effect of external force permanent deformation; On the other hand, the bolt will be permanently deformed by stretching, and the pretension will decrease, and even form a sliding buckle or fracture.




The fan belt is too tight




Bearing load summer temperature is too high, some drivers think progress fan belt tightness, constitute the fan belt too tight, but do not know this is not right. The fan belt should be kept tight, because too tight will make the bearing load is too large, wear, power consumption, but also will make the pump shaft bending, belt extension deformation, shorten the life.




Eight, import tires




Some people especially like to emphasize "import" when buying tires. One of the most fatal defects of the new foreign tires for domestic customers is that they don't work. Europe's smooth road and Beijing's second ring road, the third ring road road conditions have a big difference, suitable for Europe's road conditions in Beijing is difficult to have a better embodiment, especially the impact force on the side of the tire obviously some unsuited to the situation, just like wearing Italian brand shoes to walk on the gravel road, tire side from the inevitable. Some foreign brands of tires in the domestic joint venture after, according to the domestic road situation on the side of the tire added a layer of cord cloth, thus greatly enhanced the tire side of the impact force, from the performance of the joint venture tires can completely replace imported goods.




The new battery does not charge




The initial charge of the battery is called the initial charge. The initial charge has a great influence on the life of the battery. If not charged, that is, add "water" direct use, the capacity of the battery is not high, life will be shortened; If direct charge, also can shorten life. Generally, the initial charge of the battery is after filling the electrolyte, charging with a small current about 1 hour can be used.




10. Add the equipment in the car at will




Affect driving safety sedan is owner mobile home, looking for passenger comfort and luxury are correct, but some owners themselves in the car with all sorts of equipment, the modified, if processing is not secure, convenience and reliability of the cars on the performance and manipulation often bring whammy effect, easy to leave sequela or affect driving safety.




The cooling water temperature is too low




Wear engine summer climate is hot, some drivers in order to avoid the engine temperature is too high, blindly asked for cooling water temperature as low as possible; Some drivers in order to achieve the intention of cooling down, simply to remove the thermostat, these practices are wrong. Car engine both afraid of heat and afraid of cold, if the temperature of cooling water is too low, will make fuel incineration deterioration, fuel consumption added, aggravating wear, oil viscosity added, engine power decreased. The experiment indicates that when the cooling water temperature of the car is 40-50 degrees Celsius, the engine wear is increased by 60-80%, the power is reduced by 25%, and the fuel consumption is increased by 8%-10%. Therefore, the temperature of the engine cooling water is not the lower the better, generally should be controlled in 80-90 degrees Celsius.




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