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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How to repair the car that flooded by water?

The vehicle park only mild water, causing the vehicle floor wet, we generally is the first car seat removed, remove the car floor, will chair and floor rain soaked components inside the vehicle to get sun exposure, and carefully check the computer board is not water, to clean the car. Vehicle repair such generally need a week, if do not need to change parts, repair costs are only a few hundred yuan.

But for light vehicle inlet, many owners think that the vehicle is in a little water, as long as the door opened drying can own. In so doing, often leads to failure is more serious, "because of the car seat and the water on the floor is difficult to dry, when the vehicle is in the sun, high temperature can make the car like a steamer, the amount of moisture through the electronic components inside the car floor, erosion, corrosion caused by electronic components. This is also a lot of the car in the water after a short time by using no fault, but two or three months later, they continued to fail for some unknown reason."

Vehicle engine damage, mostly occurred in the water when driving, because the water is too deep, vehicles in the forced through, resulting in engine water, leading to block damage.Therefore, in the driving process, if you see in front of the road area of water and I can not conclude that the water depth, don't try to force through. If no other route choice, only from the front through the words, the owner should be hung in the lowest car blocking, gently step on the gas, slowly through the road.

In general, 'flooded car' only by professional repair or to repair the normal running. The key lies in the automobile is soaked in water for a long time, the extent of damage of vehicles. When the car was soaked in water, such as in the parking lot was blisters, even out, actually the biggest loss is not computer integrated block engine but the car. These computer integrated block because the soaking is oxidized, a lot of time to repair and replace, otherwise the car is not normal operation. But because a lot of electronic components is one-time cannot open, repair on the surface looks very good, but in fact there may be trouble appeared in the later period of use, it is the existence of these problems, made some "flooded car" in the repair, there may be some fault.

In the heavy rain the weather, the best way is to nip in the bud, to avoid flooding the tragedy. When the owners of parking choice as far as possible stops in the higher ground, not to park the vehicle in the indentation section or some drainage facilities not good underground parking lot. If the owner of the car park in the parking lot or garage, was flooded or flooding, don't start ignition, if an ignition starting, will cause the electrical part of the extended losses.

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Check the line in time to prevent spontaneous combustion of the car

Always check the maintenance of electrical circuit. A motor vehicle with automatic control performance is high, electrical lines all over the body, arranged in a crisscross pattern is very complicated, connecting many electrical components, through high temperature baking to vibrations and the engine for a long time, persistent, electrical lines appear likely hardening crack, open circuit, short circuit or bad contact phenomenon, resulting in electrical circuit grounding, due to leakage "the fire" or heat storage and combustion.

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Always check the oil (gas) pipeline maintenance. Fuel oil (gas) in case of oil (gas) pipeline leakage fault, and air mixture explosion concentration limit, in the fire it may cause fire or explosion, the dangers of fire after the vehicle electrical circuit fault. Therefore, the owner should be in electrical maintenance vehicle with the oil (gas) pipeline maintenance. In addition, when driving the motor vehicle if the smell in the fuel oil (gas) strong taste, motor vehicle has undergone a fuel oil (gas) leak fault, the situation is very dangerous, should not continue to run, or is likely to cause spontaneous combustion of motor vehicle. At this time should immediately turn off the engine, the car park by the roadside, notify the auto repair shop to repair.

Do not overload long-distance driving. Every vehicle has its rated dwt, car drivers should strictly abide by the rules, especially not overload driving, otherwise it will cause engine temperature, causing oil, circuit spontaneous combustion, or cause excessive tire temperature, tire increased pressure to accelerate tire wear, and even lead to spontaneous combustion tire puncture. If long-term severe overloading, but also greatly shorten the life of the vehicle.

It is strictly prohibited to refit vehicle. Now some young people in order to highlight the personality, to refit vehicle according to his own will, to the car to install some electrical equipment, changed the original circuit design, increase the electricity load, thus give the car planted a "time bomb", is likely to trigger spontaneous combustion, causing owners should be especially alert.

Do not place the dangerous goods. Summer high temperature conditions especially not the gas lighter, air fresheners, mousse and filled with plastic or metal pressure tank flammable gas placed on the vehicle driving on the table. Because it is easy to produce high temperature due to sun exposure, "flammable liquefied gas pressure vessel" within the expansion, thus causing an explosion combustion. Can't get gasoline, alcohol, paint and fireworks and other dangerous items are placed in the car, because once the leakage or traffic accidents are likely to cause explosion combustion.

Should be equipped with vehicle fire extinguisher. In order to nip in the bud, the vehicle should be equipped with at least 1 larger fire extinguisher fire extinguishers, because small volume is difficult to put out the fire. There are fire extinguishers in the following three types of comparison for configuration in motor vehicles: multifunctional fire extinguisher, foam fire extinguisher, dry powder fire extinguisher. Each fire extinguisher has its shelf life and specific operation method, the user should strictly abide by the product maintenance and use, fire extinguishers should be updated in a timely manner to failure, so as to avoid the fire did not use. In addition, the car the best preparation of a basin or bucket, can timely access to water conditions, the best water fire extinguishing effect.

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Read automotive fault code should pay attention to the following points

Clear fault codes correctly
Automobile troubleshooting, need to clear the fault code. For fault code clear, should be strictly in accordance with the provisions of specific models of fault code cleanup method, don't simply use removed battery negative strap to erase fault code. Otherwise, may result in the following two aspects: first, the trouble of some models to control the computer lost "experience memory", we know, control computer some car with automatic memory function, remove the battery negative strap, will automatically clear the storage engine operating experience with data in memory, thereby the automobile repair after a fairly long period of time performance is not good, or running after a period, and to reproduce the fault code has been removed; second, will cause the loss of some functions, such as audio lock is one of the most common examples. At this time, you need to decrypt the audio system in more cumbersome procedures, working to restore the audio system.

Suitable temperature control
Read the code, the engine to normal operating temperature can be used only for the self diagnostic test, especially the water temperature at 85 ～ 95 ℃ when reading the code is the most reliable. Otherwise, in the reading process, sometimes a non fault codes, such as temperature, exhaust gas recirculation, idling bad fault codes. It often makes people mistakenly think that electronic control system fault self diagnosis system of many that or malfunction.

Correct reading order
The electronic control system of static code reading and dynamic code reading, should pay attention to order two code reading and the conversion process, otherwise it will cause the fault code reading failure, many models have strict procedural requirements on the two kinds of code conversion. First of all, you must first read the static code, if static code after reading, the system does not output code "11" normal fault code, go read dynamic code, can appear the fault distortion, resulting in repair of the miscarriage of justice. And it often causes a kind of illusion to repair personnel, if fault code useless like. At the same time, should pay attention to, before reading dynamic code, the general need to remove static code. In the process of dynamic code self diagnosis before, should remove the read static code when connected to the diagnostic socket on the bridge, and then clear the static fault code, then start to accelerate to 2000r/min engine and, at least 2min, so as to enable the engine to normal operating temperature, and then close the ignition switch, after waiting 10s the self the diagnosis of joint inter connected, and start the engine again, this time to display fault code is the dynamic mode of fault codes.

Note that after reading the memory correction
Through the electronic control car for read code, clear code, and troubleshooting, if the car's acceleration performance declined, sometimes a normal phenomenon, but requires maintenance personnel to the control computer ECU correct driving position memory correction. In other words, is to restore control of the computer of the car's current position memory function. As long as the vehicle in a normal car, continuously repeated start, driving, turn off, up to a certain number of times, the relative performance cars will gradually be restored.

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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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