Car maintenance knowledge: what should be paid attention to when using batteries in winter
(1) Cars used in winter should be keptAccumulatorIn the charging state, prevent the electrolyte level from falling, freezing or freezing the battery.(2) The proportion of electrolyte should be adjusted in winter.
Introduction to the modification of off-road vehicles for car audio modification
When you are driving your beloved off-road vehicle in the natural beauty, if accompanied by wonderful music, you can add unlimited fun and make driving a kind of enjoyment. However, the effect of the original audio syste
Basic knowledge popularization of aerodynamics in car modification
along withcarWith the advent of the times, the term 'car culture' has gradually become known to people, and a brand-new car culture is also quietly emerging. It is what attracts all car fans who pursue individuality and
Autumn rainy vehicle maintenance knowledge
In the face of unexpected rainfall, the maintenance of vehicles in the rainy season should pay attention to the following issues.(1) Waxing and sealing the car body.Acidic components in rainwatercarThe paint surface has
Lubricant knowledge introduction
lubricating oileffect (1) LubricationWhen the engine is running, if some friction parts are not properly lubricated, dry friction will occur.Practice has proved that the heat generated by dry friction in a short
Physics in the car
With the development of the economy and the continuous improvement of people’s living standards, the most important means of transportation in modern life-car, And our lives are getting closer and closer. In frequent con
Classification and basic requirements of car lights[汽车修理知识]
VariousCar lightsBasic requirements carThe basic component of the lamp assembly is the light group, which includes three parts: light source (bulb), reflector and translucent mirror. Car lamps can be divided into two cat
Car audio modification tips: Do not change the original car circuit when modifying the audio
Mentioned a new car, and it was a good fit. Many car owners began to ponder the topic of 'enjoyment', so they modified it.Car stereoIt has become the choice of many car owners, especially audio enthusiasts. Professionals
Basic knowledge of automobile machinery 1
The effect of carbon mass fraction on the properties of iron-carbon alloys: The structure of iron-carbon alloy of any composition at room temperature is composed of two phases of ferrite and cementite. It is just tha
Basic knowledge of Passat maintenance
1. Passat new car running-in:For new cars, good running-in (run-in) helps to extend the service life of the vehicle. The initial running-in mileage of Passat is 1500 kilometers (it can be shortened to 1000 kilometers wit
Popularization of Xenon Lamp Knowledge Top Ten Xenon Lamp Brand Recommendations
Because xenon lamps are 3 times the intensity of ordinary car lights, but the power consumption is only half of ordinary lamps, and the service life of xenon lamps is 5 times that of ordinary lamps; therefore, in terms o
Optical terms[汽车修理知识]
1. Light effect Unit: lumens per watt[1MW] Light efficiency refers to the efficiency at which electrical energy is converted into light energy. 2. Light color Light color is actually color temperature, which can be divi
Engine oil knowledge that car owners should master
Help you understand the oil drum SAE is the United StatescarThe English abbreviation of the Society of Engineers, SAE grade represents the viscosity grade of oil.SAE30 and SAE40 are single-grade oils, and SAE10W-30 and
Automotive knowledge: simple analysis of LED lights and their advantages and disadvantages
There are manycarLED car lights are installed (LED car lights refer to car lights that use light-emitting diodes as the light source), so how good is it? What are the advantages and disadvantages?Advantages and dis
Simple electric knowledge
1. Simple circuit1.CircuitCircuit refers to the path through which current flows.The simplest circuit consists of power supply, electrical appliances (also called load), controlswitch, The wire consists of four p
How to solve the problem of sudden “bust-off” while on the move[汽车维修知识]
carDuring driving, due to the high operating temperature of the engine, the phenomenon of 'air blockage' is caused, which is what we usually call 'car out'. The reason is that there is gas in the gasoline pipeline, which
Maintenance knowledge: the first maintenance of imported new cars
After a new imported car leaves the factory, it has to go through several transits before it can be transported to the exhibition hall. For example, a FUGA is shipped from Japan to Huangpu Port and then to the exhibition
Wheel rim manufacturing technology for learning wheel knowledge
Wheel manufacturing technology The method of lightweight alloy wheels is roughly divided into two manufacturing methods: casting and forging. For casting aluminum ring, a sand mold is first made out of casting sand. The
Basic knowledge of auto mechanics
1. Strength refers to the ability to resist permanent deformation and fracture. Commonly used criteria mainly include yield point and tensile strength.2. Plasticity refers to the ability of a material to undergo irre
Introduction to ABS ASR ESP[汽车修理知识]
Install nowABS(Anti-lockBraking System) Cars have become quite common, and with thecarThe requirements for safety performance are getting higher and higher, and some more advanced safety devices with a wider range of pro
Car maintenance knowledge[五油篇]
maintainanceDIY Just make the 'five oils' gasoline, engine oil, transmission oil, power steering oil,brakeOil, plus 'Sanshui]Water tankWater, wiper water and battery water, plus 'five'tireBasic maintenance, you can effec