With the development of the economy, there are more and more cars on the road now.
Many people will buy a car to facilitate their lives, whether it is a commute to and from work, or a self-driving trip during holidays, cars provide great convenience to our lives.
And a good car is inseparable from the maintenance of the car.
Car owners know in their hearts that if they want a stable and easy-to-drive car, the maintenance of the car will work hard, if they are always frizzy when they are usually driving, and they are not concerned about the maintenance of the car, then it will only speed up the wear and tear of the parts, resulting in the early scrapping of the car.
Some time ago, when I drove out for supper, I heard the owner next to me talk about the maintenance of the vehicle, I quickly eavesdropped, the owner sounded like a brother, and the maintenance of the vehicle was the first to say.
And he also said that he drove for so longHis taxi has been driving for more than 100,000 kilometers and has not been overhauled!
Friends who have a car know that not to mention 100,000 kilometers without major repairs, it is a good hand to be able to run 60,000 kilometers without major repairs!
Because many family cars are driven in the city, most of the time the total mileage of a year is more than 10,000 kilometers, and it can run 100,000 kilometers, that is, it has been driving for about 10 years, and it is not sent to overhaul, which shows that the owner usually maintains the vehicle very well.
Because many times, after most cars drive to 100,000 kilometers, they will face a "hurdle", which is the damage and aging of vehicle parts.
When the car is driven to 100,000 kilometers, many parts on the car will have different degrees of wear, if the usual driving habits are not good, serious wear and tear may even endanger our driving safety.
1. Shock absorber
The shock absorber refers to the "tube" in the middle of the entire shock absorber, which is used to suppress the excess rebound generated by the spring during work and play a role in slowing down the excess vibration. The wear and tear of the shock absorber can affect the braking distance, accelerate tire wear, and the emergency vehicle is prone to loss of control.
With the age of the car and the increase of mileage, the oil seal of the shock absorber will cause serious aging over time, resulting in poor sealing and some oil leakage problems.
In order to avoid damage to the shock absorber, try not to "full load" in the daily driving process, the heavier the load on the shock absorber, the greater the pressure on the shock absorber, and there is to slow down when passing some "ditches and bumps, speed bumps", try to avoid direct hard without deceleration, if hard to hear the sound of metal "impact", you have to check it.
As a key component of the shock absorber, if the shock absorber is worn out or damaged, the consequences will be unimaginable. Therefore, the maintenance worker said that the shock absorber should be inspected once every 20,000 kilometers and replaced once every 100,000 kilometers.
2. a battery
Batteries with a mileage of more than 100,000 kilometers must be replaced, regardless of whether they have been replaced. Most of the car batteries are lead-acid batteries, and lead-acid batteries are used because of the high safety of lead-acid batteries and the occurrence of spontaneous combustion. However, the cycle life of lead-acid batteries is low, only 500 1000 times, and the design life is reached after 2 to 5 years of use, and some people break the battery in less than three years. If it exceeds 100,000 km, the battery must be replaced. If you don't replace the old battery, you will find that you can't store the power when you use it, and the battery will be out of power after a few days of stopping, and the car will not be able to start.
When replacing a car battery, there are two types of batteries: ordinary batteries and automatic start-stop batteries. The car without automatic start and stop function can choose an ordinary battery, **300 500 yuan, you can choose to trade in the old for the new. Vehicles with automatic start-stop function must choose automatic start-stop batteries, also known as enhanced flooded lead-acid batteries (EFB) and glass fiber separator batteries (AGM). If it is a car with an automatic start-stop function, replacing the battery that does not support self-start-stop will cause the automatic start-stop function on the car to fail, because the self-starting battery is enhanced and specially designed for cars with automatic start-stop function.
3. Spark plugs
The main function of the spark plug is to ignite the mixed combustible gas in the gas cylinder, so that the engine can work normally. If the spark plug is not replaced for more than 100,000 kilometers, the spark plug will have various problems such as carbon deposition adhesion, electrode ablation, voltage drop and so on for long-term operation, which will lead to poor ignition, and the engine will shake, idle speed is unstable, the power is high and low, and the fuel consumption is rising.
Therefore, if the car exceeds 100,000 kilometers and the spark plug has not been replaced, it must be replaced. When replacing spark plugs, there are different spark plugs to choose from, different materials, and different service life.
There are five common spark plugs available in nickel alloy, platinum, double platinum, iridium and ruthenium electrodes, with a minimum life of 230,000 to 150,000 km. **Also from high to low, the low ones are tens of dollars two to four, and the expensive ones are hundreds of dollars to four. When choosing, you can choose according to your actual needs.
4. an exhaust pipe
The exhaust pipe is a place that is easy to ignore, but its role is very important, because the quality of the exhaust pipe also directly affects whether the exhaust emission meets the standard and noise and other issues. If you hear a loud noise from the exhaust pipe during the usual driving, it is likely to be blocked by carbon deposits, or there is cracking, etc., and you need to sort out and repair it as soon as possible. Generally speaking, after a car has driven 100,000 kilometers, it should be checked regularly to see if the exhaust pipe is working properly.
5. Clean up carbon deposits regularly
For most car owners, they should not be very unfamiliar with car carbon deposits, but most car owners seem to be confused about how to clean up carbon deposits.
However, for the removal of carbon deposits, because everyone does not know much, most car owners simply do not do it, but the carbon deposits have taken a long timeIt also has a certain impact on the performance of the car.
When it comes to carbon deposits, it feels very professional, as if it goes back to a few years ago when it was said how many megapixels a mobile phone has. In fact, carbon deposition is not so difficult to understand. There are many reasons why carbon deposits occurThe most important factor is still the engine working process
The product formed by insufficient fuel combustion is generally attached to the intake manifold, fuel injector, throttle, oil pipeline, spark plug and other parts.
From the current technology, there is no engine that can make 100% gasoline burn fully, so it can be said that as long as it is a fuel vehicle, the generation of carbon deposits is unavoidable.
Especially when driving in cities, the traffic is developed, the roads are congested, and the engine is easy to be in a low-speed or idle state for a long time, which will cause a large amount of carbon accumulation and accumulationOver time, carbon deposits in the engine will accumulate more and more.
The causes of carbon deposits in different parts are also differentThere are five main reasons:
(1) Incomplete combustion of gasoline produces carbon particles, which adhere to the surface of parts and form hard carbon deposits after being roasted at high temperatures. Examples include combustion chambers, piston tops, spark plugs, and fuel injectors for direct-injection engines.
(2) Residue after gasoline evaporation at high temperatureFor example, when the engine is turned off, the fuel vapor in the intake manifold flows into the combustion chamber, and the light components in it volatilize at high temperatures, while the heavy components adhere to the surface of the components, and when the engine ignites again, the high temperature flame will gradually harden the deposits.
(3) The crankcase ventilation system will introduce the exhaust gases in the crankcase into the engine and burn out, and the exhaust gases will first enter the intake manifold and then enter the engine from the intake port.
Since there are some oil droplets in the exhaust gas, these oil droplets can adhere to the inner wall of the intake manifold and the back of the intake valve. Because of the high intake valve temperatures, these oils will eventually carbonize, turning into hard carbon deposits.
The intake manifold is on the low side, so the oil attached to its inner wall is not easy to carbonize, but it will absorb dust from the intake air and eventually form sludge.
(4) The crankcase ventilation system has a tube to supplement fresh air
Connected to the front of the throttle, when the engine is turned off, a part of the crankcase steam will flow back to the front of the throttle, and the oil vapor in the exhaust gas will eventually adhere to the front of the throttle to form a layer of oil film, and when the engine is working, this layer of oil film adsorbs the dust in the air, and finally forms a layer of oil sludge, which is what we often call throttle carbon deposit.
Since the throttle temperature is also on the low side, the carbon deposits here are also easy to clean.
(5) A large amount of carbon deposits will also be generated when the engine burns oilBecause the oil is more viscous and has more heavy components, a lot of carbon deposits are created when the engine burns the oil.
Symptom 1: Difficulty in starting
Reason: The impurities in the gasoline affect the normal starting ignition of the car. The car has oil and electricity, but it is difficult to start, isn't it very heartwarming?
Phenomenon 2: Idle jitter
Reason: The gum on the fuel injector affects the normal operation of the fuel injector.
It's obviously a four-cylinder, but it's like an old-fashioned three-cylinder car, as long as it idles, the car is like dancing, shaking badly!
Phenomenon 3: Noise increases
Reason: The carbon deposits accumulated over the years in the oil circuit affect the smoothness of the oil circuit.
Many car owners' long-term bad car habits will cause carbon deposition inside the car engine, and a series of problems will occur in the engine carbon deposition car, such as increased noise. The engine is the heart of the car, in addition to daily maintenance, as a car owner, you must clean up the carbon deposits in time.
Phenomenon 4: The car is weak
Reason: The gasoline label is not up to standard, which affects the power of the car. Excessive carbon deposits in the engine can also lead to a serious problem, which can affect the power of the engine. The two most typical cases are stepping on the accelerator and feeling that the car is still running slowly when you step on the cotton! On the other hand, as long as the car idles slightly, the engine will start with a tractor-like sound!
Suggestion: If this happens, you must pay attention to it, because if you don't care about it, the engine will be about to die. Engine no-dismantle carbon cleaners can be used.
If our vehicle has the above conditions, it can be judged that the engine carbon deposit is more serious and needs to be cleaned up in time.
1. Affect the heat dissipation effect of the engine
Carbon deposits in the cylinder head will reduce the heat dissipation effect of the car engine.
Because the thermal conductivity of carbon deposition is extremely poor, its thermal conductivity is only 1 50 of cast iron or steel, which will cause the engine to overheat, so that the power and economy of the engine are greatly reduced.
2. Resulting in a decrease in engine performance
The main reasons for the power decline caused by heavy carbon deposition are: spark plug carbon deposition weakens the ignition ability or causes ignition failure, and the pressure drop caused by cylinder leakage (valve and piston), etc., which is more obvious at high load or low speed.
3. Cause engine knocking
The main reason for the motor knock is that the fuel in the cylinder is ignited in advance, and the engine crankshaft begins to ignite before it turns past the highest point. That's when the engine knocks.
The carbon block with carbon deposits heats up rapidly under the high temperature and high pressure of the cylinder, and even spontaneously combusts, igniting the mixture before the spark plug ignites! Resulting in early ignition and detonation. Knocking not only weakens the engine power, but also causes damage to the engine connecting rod and crankshaft, and also leads to increased fuel consumption.
Generally speaking,After 20,000-30,000 kilometers of driving, it is time to clean up the carbon depositCarbon deposits are not always cleaned up.
Therefore, if the maintenance shop says, "Your car has carbon deposits, you have to remove it quickly", you have to pay attention!
If there is too much carbon, it will bring some problems that cause the engine to not work properly, such as:Carbon deposits in the combustion chamber, will causeEngine knocking, carbon deposits on the fuel injector, will causeThe engine shakes and acceleration is not smooth, the throttle valve carbon deposit, will cause the vehicleWeak acceleration, idle jitter, or does not maintain a stable value at idleStart-up is difficult, fuel consumption increases
When the carbon deposits are serious enough to cause substantial damage to the engine, they must be removed.
The existence of carbon deposits will not only increase the fuel consumption of the vehicle and damage the power, but also lead to damage to the parts when the carbon deposits are too serious, and the removal of engine carbon deposits has become a matter of great concern to many car owners, but there is such a way to clean up the engine carbon deposits in the market, many car owners think that the carbon deposits can be removed by pulling the high speed, so in fact, the high speed can really remove the carbon deposits?
From the point of view of rigor:
It cannot be said that the carbon deposits cannot be cleaned up by pulling the high speed, but it can only be said that the carbon deposits that are cleaned up are very smallPulling the speed is actually to keep the car engine running at a high speed, so as to obtain higher intake and exhaust efficiency.
Under the working condition of high speed, the carbon deposits that have just adhered to the combustion chamber, valves, and intake manifolds will be washed away, but this way of cleaning up carbon deposits is only effective for carbon deposits that have not yet formed a solid state, and it is also powerless for carbon deposits that have formed a solid state;
To give you a blunt example,Pulling the high speed to clean up the carbon deposits is the same as blowing a dirty table covered with dust with your mouth, and you can only blow off the dust that has just fallen on the surface, and the dust that has been falling for a while is obviously not able to blow off the little bit of air that comes out of the mouth alone.
From this point of view, it is only a very shallow approach to clean up carbon deposits when the car pulls the high-speed car, of course, those cars that run at high speed for a long time are indeed much less in terms of carbon deposition formation in the engine than the cars that often run in the urban area, but to be realistic, who can pull the high-speed every day? And it's not clean at all, soRunning at high speed will help to remove carbon deposits very little, and if you don't use S gear correctly, it will also increase the generation of carbon deposits.
If you are still using the method of pulling the high speed to clean up the carbon deposit, I advise you not to use this method anymore, in the current situation of high gasoline, specifically to go to the carbon deposit and run the high speed, not only costs fuel money, but also easy to shorten the life of the car, really hurt the car.
For this matter, I consulted an old maintenance worker of a car dealership, and the old maintenance worker told me that if you want to completely clean up the carbon deposits of the car, you can use a safe and effective Goodway carbon master cleaner, which is also a method used by many old drivers at present, not only the cleaning effect is good, but the cost is not high. With this trick, the carbon deposits "run out".
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