Some questions about car maintenance

Transmission oil is the role of lubrication, cooling and power transmission, but different decided three main gearbox structure they need lubrication in different ways, thus determines the transmission they require the use of different properties of oil. Manual transmission gear oil: oil is usually manual gearbox oil said, only lubrication. USA Petroleum Institute will vehicle gear oil according to the using performance is divided into GL-1, GL-2, GL-3, GL-4, GL-5, GL-6 six. The emphasis on the overloading of the GL-1, GL-2, GL-3 have been eliminated in the market, and the current domestic car use generally were GL-4, GL-5 (GL-6 bus is used). From the product characteristics, the most intuitive is manual gearbox oil is bigger than the automatic transmission oil viscosity, the replacement cycle generally than the automatic transmission oil is shorter, the majority of household car at 4-6 million kilometers to replace the manual gear box oil.

AT gearbox oil: automatic transmission oil is special, it has two functions, in addition to the planetary gear lubrication, cooling, more important is to make is to transfer power, so its viscosity than manual gearbox oil as "thick". But its main role is to hydraulic transmission, so very good fluidity, anti bubbling ability than manual gearbox oil stricter requirements.

Automatic transmission of different types of oil is not mixed with AT gearbox, because different types of oil flow rate, density, dynamic and static friction properties, thermal expansion coefficient are different. Some manufacturers is according to the characteristics of AT transmission is introduced with matching gearbox oil, suggested that the owner or in the 4S store replacement or purchase the corresponding models were replaced, do not replace other models.

CVT gearbox oil: CVT gearbox oil essence and AT oil is similar, but it is also a special oil, because the CVT transmission is the steel chain transmission characteristics, need oil velocity, friction, coefficient of expansion is different, so you can't use AT gearbox oil instead of. Relatively speaking, it is the AT automatic transmission oil to dilute some, also has the certain prevent damping friction drive chain slippage.

Lubricating oil on three main gearbox, between absolute cannot replace and mix! Oil AT gearbox similar oil and CVT gearbox oil also can not replace each other, if it replaces the use of the short time, although not what impact, but a long time for the mechanical wear is not recoverable.

In the replacement after the engine oil, the need for rough with the engine oil dipstick, so if it adds a car go, will find that just added to the bit oil shortage phenomenon. This is because the gap between the many parts in the static gas after not inject new oil, such as oil guide hole, so be sure to start the engine again after the measurement in oil after the oil, make full to the level corresponding to the. At that time usually appear a small amount of fuel deficit phenomenon, again added to the standard position. Recommendations go to the 4S store maintenance when the attention of the details.To do better on cars, you can know more car tools like Launch X431 IV and t300 key programmer.

Automobile insurance misunderstanding

I believe many of my friends in the choice of insurance will and insurance salesman said, my car to the insurance, so most of my friends think of car to the "all risks" get "lost the whole". After understanding, in fact, the word "all risks" in insurance companies and state law does not exist, only a habit of people. People used to several major categories include cross strong insurance, commercial three party insurance, non deductible insurance, car insurance, pilfer, car insurance and other personnel, generally referred to as "". Therefore, "all risks" is not equal to the whole.

Your time in the vehicle insurance insurance insurance insurance companies must pay attention to the related definition for different categories of interpretation and the scope of the claims, or claims is the premise of what. Do not know if rushed to buy insurance, even if the purchase of the so-called "all risks", also will not get full compensation. My suggestion is that you can use based on its own, according to their own actual situation to select the security risks, so that not only can provide convenience for your future claims, but also save a part of the vehicle insurance costs.

Prior understanding, no purchase wading insurance vehicle when the engine inlet, is unable to get insurance company claims, but in fact this is not entirely correct. Because some of the provisions of the insurance companies have a clear explanation for this problem, car damage buy insurance is covered wading insurance and risk of spontaneous combustion of additional insurance, if not needed can be individually removed.

Believe that every car friends do not want the vehicle is stolen or destroyed in yourself, never mind, as long as you can meet your claim the insurance conditions, insurance company will complete compensation you deserve it. And here there is a problem, that is the vehicle insurance prices higher future can get the amount insured when the vehicle?

Of course, the answer is negative, if your car insurance, so the vehicle insured amount will be in accordance with the actual vehicle sales price, but if you are a continued insurance, so the vehicle insurance amount will be in accordance with the current sales or second-hand car sales prices for insurance. So you when the insured vehicle insurance amount should be the actual value is determined according to the insurance of vehicle insurance, full insurance at the time of the accident, ensure to get reasonable compensation. Don't over insurance, because excess insurance and can not be excessive compensation, it is just a waste of money.

A lot of the old car friends may have encountered such a problem, is often the insurance company refused to be in the purchase of insurance, in fact there is a misunderstanding, there are difficulties and not buy all of the categories, here that is car caustic danger. Because the old car loss is difficult, residual determination is also very fuzzy, other related repair parts are less, so most of the insurance company is not willing to underwrite such models. In addition, the purchase of insurance and three party insurance is not affected by the use of life. But for years long old models, related premium is a floating.

When after the accident, should be responsible to compensate, be claims procedures go payment to 4S shop or trusted repair shop for maintenance after. But many owners have encountered this problem, is to request the other party to repair place, this is in order to reduce the cost of repair, in not trusted repair factory repair is difficult to ensure the quality of repair, so the encounter such a situation must not easily promised. Because both each other or other insurance companies have no right to specify the place.To do better on cars, you can know more car tools like vas 5054a and fly100.

The new provisions of motor vehicle driver's license

The new release of the "motor vehicle driver's license application and use of the provisions", abolished small-sized vehicle pile examination two pile position between the transfer, the application is not strong test continuous obstacle, unilateral bridge in real life. After adjustment, the small car field test items from the original "training of 10, test 4" changed to "training and exam are 5", that is, reverse parking ramp designated parking and starting, side parking, curve and turning right. And the future site examination will replace the existing benchmarking with the ground marking, more close to the real road scenes.

Through the survey found, small car "two" in the test subjects exam project targeted not strong, such as through continuous barrier, through unilateral bridge in real life is not common, the majority of students back formula test. In order to improve the practicability of examination, the new regulations to optimize the small car "two subjects" test: a simplified pile test line, instead of backing storage, cancel the transfer request. Two is the hundred Mega downshifts, rolling road, adjusted to the actual road test. Three is the speed limit to cancel the door wide, through successive obstacle, unilateral bridge 3 projects through. In addition, "two subjects" field test, will be used to delimit line to replace the existing benchmarking, prevent the trainees to benchmarking as a reference point of reciting the pithy formula and test, the test is more close to the actual scene.

The new regulations "will be a theoretical examination subjects is split into two parts. The first part mainly examine the law of road traffic safety, traffic signals, traffic rules, still as subjects; the second part as a safe and civilized driving test project, in the actual road test, evaluation of safe and civilized driving requirements, complex conditions of safe driving knowledge, enhance the driving of safe and civilized driving knowledge the understanding of memory.

"New rules" to ensure that the driver training, test quality, clear legal responsibility to police illegal examination and certification, and provisions for the 3 years following the driver driving a traffic fatalities, and reversed the examination and certification of the responsibility of police.

"The new regulations" driver's license to apply for large and medium-sized van, in "two" in the subject field test, simulation, and foggy days increase highway, wet and slippery road, emergency and other test items. After the adjustment of large and medium-sized passenger car "two" test subjects from the original "training of 10, test 6" is amended as "training, examinations are 16". The new simulation of continuous sharp curve tunnel, near water, cliff, on snowy,rainy days, wet and slippery road, emergency disposal 6 Compulsory Project of large and medium-sized van driver test.

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Beijing first pilot test field will be compulsory project to 10 items, including simulation sections of water, a U-turn, near the cliffs on the edge of road, railway port 4. Next January 1st, the examinee should at least driving a vehicle traveling 20 kilometers, and practice in the simulation and test on the road. At present, Beijing other qualification training car key drivers driving is rebuilding training field.

The fuse of automobile

The fuse is its official name is called, the real fuse (hereinafter as easy to understand as a fuse), the most basic function of fuse is when the circuit current anomaly and exceeds its rated current fuse to circuit protection function. The fuse has two important working parameters, one is the rated current; one is the rated voltage, use the time to choose to fuse the corresponding according to current and voltage circuit.

In the structure design, insert the general vehicle fuse with fuse, with engineering plastic shell, wrapped in the melt structure made of zinc or copper, the metal melt and pin connections. Insert fuse specifications car usually 2A to 40A, the ampere fuse numerical will be noted in the top. If the fuse burned out let a numerical illegible words, we can also be judged by its color, the international standards: 2A, 3A, 4A grey purple pink, orange yellow, 5A 7.5A, 10A 15A Coffee color red, blue, yellow, 20A 25A, 30A green, colorless and transparent 40A deep orange.

Because many parts and electronic equipment on automobiles, and each device will be equipped with a fuse, so in order to facilitate future repair, every car in the design stage, designers took automotive fuses are concentrated in one place, but this place is called insurance box. Generally a car has two insurance box, one is located in the engine compartment, responsible for automobile external electrical fuse, such as engine control units, horn, glass cleaner, ABS, headlights; another in the left near, management of car electric appliances, such as window lifter, airbags, the electric chair, cigarette lighter.

Because the car is on the box, under normal circumstances do not deliberately maintenance, but need to pay attention to is the protection of insurance cover, the fuse is lost, don't let the fuse is exposed outside, so as to avoid the fuse circuit. In addition to cover the fuse, also can not use other materials to replace, because the insurance box is made of full consideration of the insulation and high temperature resistant, free to use other material covering the fuse will have the danger of fire.

How to do it yourself replacing the fuse? Find insurance box position. Side fuse box cab is generally located in the control station near the door or on the wheel below; launch insurance box inside the cabin in a vehicle engine compartment edge. Check fuse fuse fuse. According to the table to find the position fuse box lid of the table we can find the position we are looking for.The remaining steps is the use of cars equipped with special tool pull out the damaged fuse, fuse can be put on standby. At present, the vehicle using the insert fuse no positive and negative points, so as long as you pay attention to when replacing the fuse fuse size and amperes can.

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When replacing the fuse, the fuse must choose the correct amperage, do not increase the current specifications of fuse at random, but can not use wire to replace. Can not use wire replacement is easy to understand, why not use large current specifications of the insurance? Of course, but also for electrical protection in mind, can work steadily in the current conditions of 1A appliances, in greater than 1A with electrical appliances may not work properly.

The Audi A4L MMI system

Audi MMI system similar to the BMW i-Drive and Mercedes Benz COMAND APS system, which is a combination of vehicle system operation and control, the user can adjust the vehicle through a number of information system, is one of the most advanced car entertainment system. A new generation of MMI system also has the car voice dialogue function, the driver can to voice commands to quickly open / close inside a function, or quickly switch as many as ten preset navigation destination. In addition, a speech dialogue system but also to the owners of the voice command recognition, through interactive questioning, confirm and execute instructions or help the owners request.

Because of Audi new A4L is not equipped with a touch screen and equipment in the A6L, A8L MMI touch, so all operations will be located through the retaining the complete control region behind, although at this touch screen is extremely popular era, design the non touch screen is not flow, but Audi gives the explanation is this more secure than the operation screen in the driving process.
As everyone knows, Audi has a set of very advanced vehicle control system, can regulate several modes of the vehicle, the vehicle MMI system in the Car menu in the vehicles can be a variety of options, according to the different driving demand driver to adjust. In addition to air-conditioning, comfort configuration settings, humanized extremely.

Bluetooth phone is no longer what high-end configuration, many low-cost model also began to gradually equipped, considering the driving safety, is absolutely should popularize configuration. Effects from the use of perspective, Bluetooth signal of good and bad, call the clarity of quality, whether the mobile phone can be combined with the vehicle mounted system perfect, it is a measure of the merits of the standard Bluetooth system. Audi A4L on the set of the Bluetooth system can be said to be the function into full play, whether it is equipped with a degree of clarity or mobile phone calls with the vehicle, can be said to be the top one among the same products.

When it comes to multimedia entertainment system, I believe that the development of each manufacturer would be this function emphatically, more than 80% of the driver will listen to the CD or the radio in the driving process, so a lot of people in the purchase a car when the multimedia entertainment system into account. Audi is no exception, the new A4L MMI system provides six kinds of playback source, which also has a built-in approximately 20G of hard disk, you can copy the favorite songs to your hard disk.

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In addition to the Jukebox function, Audi MMI this Bluetooth play function is also very practical, via Bluetooth system and external playback source are connected, can realize the wireless music. In addition, thanks to Bang & Olufsen sound help, make Audi multimedia playback and reached a high level.

Self driving back should take good care of the car

In this holiday season you have to travel by car, at the end of this holiday to wash the car to greet the new year work didn't hurt. For these days of travel speed running friends, to wash the car is very important, those remaining in the paint on the insect bodies and the soil corrosion paint, should be removed as soon as possible. For those who do not have to go out only occasionally Festival, relatives and even cars parked in residential didn't move friend, need to pay special attention to body have no fireworks and firecrackers, wounded, or fireworks residues attached to the body condition, avoid corrosion paint.

Self driving travel friend, except for high speed tire high strength work, some go to the suburbs, rural road is not too good place friend to check the tire situation. Visually inspect the wear and aging, with tire pressure table to check the tire pressure, can also hands around the tire tread was check whether the bar. During the long car rate may increase, car strength increases, brake pads wear note. After the long vacation should pay attention to the brake condition, replace if necessary.

Especially for self driving tour travel friend, may be due to via, climate variability, glass water consumption will be much larger than the daily city car. If the original glass water quantity is not enough, there may cause a deficit, so in a timely manner to check and fill, at present this season we suggest adding antifreeze glass of water is appropriate.

Experienced a winter, alternating hot and cold, and multiple corrosion rain and snowmelt agent, health status of the wiper blade is not a holiday, so the return should check wiper health, replace if necessary. Is very simple for oil stock check, if the oil is low will cause damage to the engine, so we recommend regular attention. Although in general, not because of the frequent car some day holiday loss oil stock, but still suggest to come back later or check the stock, avoid risks. Of course, oil stock check that everyone knows, pull out the dipstick, if the oil stock is less than the minimum scale line should be added.

For those who have been to the suburbs or some poor road conditions of local friends, check the chassis is very important. If during the mounting conditions, is likely to hurt the chassis even there is oil, it requires special attention. For those passing through the colder or warmer area, or a way through rain and snow and other inclement weather friend, return to check your lights can work normally, there is no fog phenomenon in the shade, if found problems should be timely treatment.

After rain season, the long drive through friends and more, experience all kinds of weather and climate, so air conditioning filter conditions need to be concerned. If there is air conditioning have peculiar smell, it shall timely check the air filter cleaning degree, replace if necessary, to ensure our health. For long car of a friend, the car must not less pull pull goods, many car the original location of items have been changed. Long after the end of the check in time travel, insurance, fire extinguisher, the triangle is still, and put it back into his customary position.

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To know more about car luggage rack

Because of the luggage rack interface of each of the models is not uniform, and the car luggage rack of the brand is numerous, installation way is different, but the principle of roughly the same. First, we will first introduce the luggage rack longitudinal rail type original own. Separation type longitudinal rail is one of the species is very common, the longitudinal rail structure is the most and the roof separation, only the connecting several fixed points and the roof. The longitudinal rail mounted rack is very convenient, if you do not want to install luggage rack luggage, also can be fixed simply by rope and net.

The integration of the track is also more common, the longitudinal rail is attached on the roof, advantage is with luggage racks after height than the separated longitudinal rail with luggage racks to lower. T groove longitudinal rail is not a lot to see, the Touareg, Maverick is used T type groove longitudinal rail. Longitudinal track such not install luggage rack does not affect the overall appearance of the vehicle, if you need to install the luggage rack is also very convenient, and the installation height of the lower rack than the above two longitudinal rail. Most cars in the factory and no luggage rack longitudinal rail, but please owners don't try to hard, some auto makers to take into account the needs of owners, in vehicle design for the installation of the luggage rack interface, which can also be added with the luggage rack is very convenient.

If your car without reservation interface, also please do not worry, now a lot of luggage manufacturers also consider this part of the demand for this type of car models, designed the luggage rack specialized fastening, convenient owners installed luggage rack. Introduced the luggage rack longitudinal rail, we began to introduce how to install. Currently on the market for automobile luggage rack during installation, need to choose according to the longitudinal track different to different buckling, we have the following in accordance with the longitudinal rail, to introduce how to choose suitable for their own, luggage rack car.

Separation type longitudinal rail longitudinal rail is the most common, with luggage racks is also very convenient, installation rack, need to adjust front and rear luggage rack of the distance, and then through the buckle is fixed on the longitudinal track on it. In separate longitudinal rail mounting rack is relatively simple, only need to measure the distance before and after, to prepare for future installation of the bicycle frame or the luggage ready, put the luggage rack according to the manual method is fixed on the longitudinal track on it. Here to remind you, luggage rack, some brands of no anti-theft measures, this requires the owner pay attention to the choice of parking location, choose as far as possible in the guarded parking lot or garage, not just in order to prevent the loss of luggage rack, also can prevent the vehicle within the vehicle itself lost or hurt.

Integrated longitudinal rail mounting rack and separation type longitudinal rail is similar, are used to tighten the bolts to buckle is fixed on the longitudinal track, but due to different longitudinal rail structure, structure buckle has difference. Integrated longitudinal rail in the installation rack without separating the track so conveniently, the reason is not observed longitudinal rail inner buckle is stuck, have an assistant to help install personnel to observe.

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We should how to use the car properly when we meet heavily rain

We must first understand their own car will appear short engine wading or line under what circumstances the problem. First find the engine inlet and measure its height, under normal circumstances, wading in running engine water inlet accident, mostly to the. Secondly, find a can be directly observed markers, used as the vehicle can safely through the depth of the reference wading area. The chassis is higher (GAP) can also make your vehicle has better fording ability.

Such as the water depth of more than 2/3 wheels are more than the safe range, may influent the car. Water more than the front bumper or close to the net before the position, it will directly lead to engine inlet, damaged vehicles. If the vehicle is put out in the deep water, the exhaust pipe of water intrusion into the engine could be seriously damaged vehicles.

If the vehicle stalled due to wading result, no matter how shallow the water is not re-start the engine, so to avoid more serious engine damage occurs. Should car as soon as possible or let the other car pulled out puddles. Measure the height of the exhaust pipe, in fact, as long as the vehicle traveling at a slow, even if the exhaust pipe is not submerged in water influent from here, because a lot of gas from the exhaust pipe is much higher discharge pressure the pressure (in the case of water is not very deep), which also prevents water intrusion engines.

In through the water surface, many owners think high speed can be blunt past, the results of their own on that, due to the high speed through the formation of water wall in front, so that the water accumulation, not intake cause stalling. And the formation of the wave will make the car or the oncoming car is also facing the same risk, this is a very make one's hair stand on end behavior not only to their own vehicles damaged, but also to the next to truly understand how the owners brought loss.

The correct method is, to ensure that the vehicle at low speeds, and at any time according to the water depth, manual transmission models should try to use the 1 block, stabilize the throttle smoothly through, automatic should also try to hang into the low gear or snow mode force, torque and increases the vehicle to prevent tire slippage, avoid strenuous running action and halfway flameout. After the water should be continuous braking several times, rapid evaporation of moisture to ensure the brake disc, brake performance of vehicle.

Now the vehicle is composed of a large number of electronic equipment from the pool, non professional off-road vehicle, rarely on the electronic equipment on board waterproofing corresponding, even many of our familiar city SUV, electronic basic and common car identical line the car, no water treatment. After Wade, related electronic module engine easy to short circuit, vehicle control computer as the car's brain is generally located in the engine compartment, the majority of dustproof processing simple. When the rain soaked, vehicle central computer and on the body line is very easy to appear short circuit, and the module is a light but there is a problem, a malfunction, or vehicle damage, even by a short circuit caused the fire.

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Analysis of the reasons for the frequent blowout accident

1.Overload causing a puncture
At present, the domestic highway overload freight cars running situation are relatively common, quite a part of the individual transport people think, freight cars do not overload is not profitable. However, one of the main causes of freight car tire overload is.

At present, the domestic production and use of freight cars commonly used high-pressure tires, large capacity dual rear wheels generally tire. In normal circumstances, when the load on the wheels when the maximum allowed value, the internal pressure of the tire pressure of 5-7 atm, when freight cars of the actual load exceed the maximum permissible load of the wheel, the tire will increase the internal pressure large, the internal pressure of the tire when the tire valve sealing pressure over time, it will cause a flat tire, a rear wheel bearing capacity if there is a flat tire and the driver failed to find that it will lead to post-wheeled the load is too large and another tire puncture.

In addition, freight car long time use of brakes, brake drum will gradually produce high temperature, because the freight car tire valve close to the middle position tire rim inside, away from the brake drum is very near, high temperature brake drum production will make the valve at the bottom of the rubber expansion and deterioration of sealing variation, freight car that often run in mountain areas, hilly area because of long time, often have to use of brakes, tire valve sealing ordinary poor, therefore a higher probability.

2.Speeding caused a puncture
The common models and tire for speeding is small-sized passenger car, especially senior car performance good. On the highway, some good performance of the car at the speed of more than 110 kilometers per hour, senior car performance similar to overtake each other on the highway, the higher speed.

Tire pressure on modern cars is usually adopted, when the load on the wheel for the maximum permissible value, the tire inner pressure between 1.5 and 1.4 ATM, the car at high speed in the case of long time, the tire and the ground friction will generate a lot of heat, the heat accumulated to a certain degree, will cause the tire itself high temperature.

The adverse effects of high temperature on the tire has two aspects, one is the tire itself expansion and compressive variation; two is to make the air in the tire inflation causes the tire inner pressure. In addition, maintains the high speed running car tire long time, maintain a relatively stable state of the contact surface of the tire and the ground is a long time, tire strain surface difficult to be adjusted, this state maintained for a long time, tend to make more than the tire load and tire pressure strain intensity of the tire.

3. The road condition is not good

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How to judge the brakes when need to change?

A new brake pad thickness is about 1.5cm, with the use of continuous friction thickness becomes thin. Professional and technical personnel, when the brake pad thickness is only the original 1/3 thickness observed by naked eye (about 0.5cm) or so, the owner should increase self frequency, ready to replace at any time. Of course, the individual models because hub design reasons, do not have the naked eye viewing conditions, need to remove the tire to complete.

Each brake pads on both sides of a raised flag, this flag in a couple of millimeters thick, which is the thinnest disc replacement limit, if the thickness of the brake pads have been parallel with this flag, you have to be replaced.So when the brake pad thickness close to the mark, the owner must observe the preparations, but not remove the tire situation through the naked eye is difficult to accurately observe, many models of instruments in the brakes too thin when the hand brake lamp position will be prompt, self-test is relatively convenient.

Tips:Brake pads under the car and driving habits without replacement interval strict, generally in the traveling sixty thousand kilometers is about to consider replacement. When the naked eye observation of brake thinner should be in the maintenance requirements and technical personnel to carry out inspection, because the eye will have errors, professional repair station through the caliper than naked eye observation more rigorous.

If the tap the brakes at the same time "iron loiter iron" hiss, the brake pads must be replaced immediately. Because the ultimate mark on both sides of the brake has direct friction brakes, brake has proved over the limit. Encounter this kind of situation, in the replacement of brake at the same time with the brake disk check, this sound is often the brake disc is damaged, then even if the replacement of new brake pads is still unable to eliminate noise, serious when the need to replace the brake disc.

Tips:When heard the brake voice often late, the brake disc will be more or less damage. Brake disc brake price compared to much higher, it is recommended that you frequently check brake pads, brake disc of things to avoid injury.

When the brake pad became thinned that our braking effect will be affected,at this time need a deeper brake pedal in order to achieve the original light step braking effect can be achieved,the first half of the braking effect is weakened, many people feel the brakes become soft, a bit not brake, this is the time to check whether the brake pads need to be replaced.

Tips:This method is relatively abstract, feel some not good grasp, therefore, to develop a good habit of self-test is very important.In addition the braking effect decreases the brake oil consumption increased at the same time, so the replacement brake to check on the brake oil condition.

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Engine maintenance tips

1.Lubricating oil using the appropriate quality grade. On the gasoline engine exhaust system should be based on the additional device selection and the use of the SD-SF gasoline engine oil; diesel engine according to the mechanical load selection of CB-CD grade diesel engine oil, use standard of not less than the manufacturer specified requirements shall prevail.

2.Oil and filter change regularly. Lubricating oil any quality grade in the using process of the oil will change, in order to avoid failure, should be combined with the conditions of use regular oil, and the oil quantity is moderate (generally in oil rod cap.).

3.To keep the crankcase ventilation. Now most of the gasoline engine is equipped with PCV valve (mandatory crankcase ventilation installation), but the pollutant gas channeling in around deposition in the PCV valve, the valve plug may. Therefore, pollutants shall be regularly cleared PCV around the valve.

4.Regular cleaning of crankcase. The engine in the process of running, the combustion chamber pressure unburned gas, acid, water, sulfur and nitrogen oxides after clearance between piston rings and cylinder wall into the crankcase, and powder metal parts wear the mixed together, forming sludge. Therefore, should be cleaned regularly to keep the engine crankcase, internal cleaning.

5.Regular cleaning fuel oil system, controlling the formation of coke, so the engine can maintain the best state.

6.The engine water tank rust, scale is the most common problems. The cooling system of rust and scale can limit the cooling liquid in the flow, reduce the cooling effect, causing the engine to overheat, even cause engine damage. So in the regular cleaning tank, remove the rust and scale.

Maintain filter: filter refers to the air filter, oil filter, fuel filter. Filter for air in automobile engine, oil and gasoline plays a role of filtration, thus protecting the engine, but also improve the work efficiency of the engine.

Most riders in the face of diesel condensation occurs, the misunderstanding, method of operation is not standardized, easy to damage the vehicle, there are security risks. As in the diesel fuel blending gasoline, will bring the following problems.

First, it enables the vehicle difficult cold start, start times to be a car; the second vehicle combustion deterioration, a portion of the fuel cannot be fully combustion, the fuel consumption increased significantly, decreased sharply increase horsepower, exhaust pollution. In addition, the service life of the engine will have a great influence. In particular, direct baking tank approach, both time-consuming and laborious, but also very dangerous, should put an end to this kind of mistake.

At the same time, consumers are also the universal existence of such a mistake, think of No. 0 diesel oil as long as the temperature can be normal use in 0 ℃, this is mainly due to the diesel antifreeze properties do not understand the cause. To measure diesel antifreeze performance indicators are mainly two, namely the cold filter plugging point and freezing point. Condensation point is the highest temperature diesel loss of mobility in the environment of low temperature; cold filter plugging point through the engine fuel injection system for diesel will be caused by high temperature filter clogging. The national standard diesel No. 0 cold filter plugging point is 4 ℃, the pour point is 0 ℃. No matter what kind of label of diesel, as the temperature drops, it first passes through the cold filter plugging point after condensation point.

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Three major Japan car companies in China sales pick up

Three major Japan car manufacturers announced on Tuesday, car sales had a growth in May in China. Since the end of last year, anti-Japanese demonstrations suppressed demand for Japanese cars, this is the first time for the Japanese Big Three auto manufacturers in the same month to achieve full sales growth.

Among them, Toyota May sales in China is 79,000, representing an increase of 0.3% over the same period last year, Nissan sales in China increased by 2.0% to 102,990, Honda car sales rose 4.7% to 54,577.

The three companies said newly listed vehicle sales momentum is good, and sport-utility vehicle (SUV) market demand is strong, so May sales increase compared with the same period last year.

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