What are the misunderstandings of car repair and maintenance?

Individuals are not out of warranty anyway on the outside maintenance, 4S shop is mainly service OK, oil parts premium is a little higher. The first warranty is basically to check the whole car and change the oil filter, and there is no need for other baffles and insect nets, and there is no need to do oil circuit cleaning so early. There are many friends who think that the original engine oil is the most suitable, in fact, most of the original engine oil is mineral engine oil, because the quality is average, so it can only run 5000 kilometers, so many car owners will choose to use better fully synthetic engine oil or PAO engine oil, fully synthetic Jin Mobil, Jin Xili These can run 8000 kilometers, PAO's GT engine oil can actually reach 12000 kilometers, and the power will be better than the original engine oil.

<> "Common Misunderstandings of Automobile Maintenance.

1. Car washing is like taking a bath - damaging the air conditioner.

In summer, the temperature rises, the dust increases, the body is easy to get dirty, and the frequency of car washing by car owners has also begun to rise. In fact, after rinsing with water, the water is either deposited in the groove and is not easy to dry, or it flows from the through hole to the gearbox and other parts that are easy to corrode.

Do: Wipe with a damp rag, but avoid standing water. And be sure to keep the appearance of the car air conditioner dry.

2. Car washing under the scorching sun - hurting car paint.

Many private car owners like to wash their cars under the scorching sun, thinking that this will quickly dry the water on the body after washing. In fact, it is wrong, washing the car under the scorching sun, the convex lens effect formed by the water droplets will cause the top layer of the car paint to produce local high temperatures, and after a long time, the car paint will lose its luster. If waxing is applied during this bending, it is also easy to cause uneven color of the body.

Correct practice: Car washing and waxing is best carried out in sheltered conditions.

3. Tire bolts and nuts are oiled and rust-proof.

In the process of wheel maintenance, some car owners in order to prevent the car tire nut rust, so on the nut coated with some oil, this practice will bring some safety hazards, bolts and nuts tightened, each other has the characteristics of self-locking and after lubricating oil, the self-locking coefficient between the two becomes smaller, self-locking performance decreases. When the car is driving at high speed, the bolts and nuts are easy to loosen or even fall off, which causes driving accidents.

4. Mix different brands of coolant.

Many car owners think that the coolant of the car is the same, so they often use it in combination with the burial balance. The chemical composition of different brands and different coolants is different, and the composition of the preservatives is also very different.

5. The more oil, the better.

When the oil in the engine oil pan is insufficient, the lubrication is insufficient, the friction is intensified, and the engine is easily damaged; However, if there is too much oil, the crankshaft handle and the large end of the connecting rod will be violently agitated when the engine is working, which will make the engine work unstable, and it will also increase the amount of oil splashed on the cylinder wall, resulting in the failure of the burning oil, and it may also be dangerous under certain circumstances.

Correct approach: The engine oil should be controlled between the high and low graduation lines of the oil scale.

<> "Car Maintenance and Repair Car Misunderstandings.

Many car owners buy a car, they will definitely maintain their car more, but is not every maintenance method correct? That doesn't have to be a green ridge, right? Here are some misunderstandings about car use for the reference of car owners.

1.<> "Car Maintenance and Repair Car Misunderstandings.

1. Do not oil the tire nut.

In order to prevent the bolts and nuts on the wheels from rusting, some car owners ingeniously apply lubricating oil to the bolts and nuts during installation, but they do not know that this practice is not only wrong, but also brings a hidden danger to driving safety.

After lubricating the tire nut and lubricating the car, the bolt and nut are easy to loosen or even fall off when the car is driving at high speed, causing a driving accident with unimaginable consequences. Therefore, in order to prevent accidents, please do not oil the tire nut.

2.<> "Car Maintenance and Repair Car Misunderstandings.

2. Step on the accelerator a few times when starting.

Many veteran drivers are accustomed to stepping on the accelerator a few times before starting the engine, especially when the car starts cold in winter, but in fact, this starting method is not suitable for EFI cars. Because EFI car owners need to pay attention to this problem.

3.<> "Car Maintenance and Repair Car Misunderstandings.

Second, the car washes the interior of the car body with water.

When summer comes, many car owners will wash the car body with water and wipe it with a rag at the same time, but never wash the inside of the car directly with water. Because there are many grooves and through holes under the floor mat in the cab, it is not easy to dry when deposited in the groove after washing with water, and rust occurs when it flows from the through holes to the gearbox and other parts.

These car misunderstandings, I don't know if you have used it, now it is summer to wash your car is a common thing that many car owners will do, so pay special attention not to wash the interior of the body with water, just wipe it with a wet rag.

There are three main types of automobile maintenance and repair enterprises, 4S (or special contract of the main engine factory) after-sales maintenance, social maintenance enterprises and small workshop-style maintenance institutions. From the perspective of the characteristics of these three types of maintenance enterprises (or institutions), the main differences are as follows.

4S after-sales maintenance and repair (or special by the main engine factory) has a relatively high degree of maintenance specifications and a long repair cycle. However, the models of cars that can be repaired by 4S shops are usually limited to the range of brands they operate, and the maintenance costs are relatively high. Small workshop maintenance and repair, this kind of organization maintenance cost is low, short time, but the quality of its maintenance regulations is often not optimistic.

Social maintenance businesses fall somewhere in between.

From the perspective of maintenance technology, in addition to formal maintenance enterprises and institutions, the maintenance market generally has a lack of monitoring and maintenance equipment and technical capabilities, senior maintenance engineers are relatively lacking, most of the practitioners are carrying out replacement maintenance, and the comprehensive maintenance ability needs to be improved. In general, maintenance institutions, maintenance technology and related practitioners are not suitable for China's current huge automobile market.

The car must be maintained in time as required, and it should not be careless.

What are some thoughts on car maintenance and repair? What do I think about auto repair and maintenance? My car, I think he used to be maintained at 5,000 kilometers, so can he increase his attack mileage by 10,000 kilometers?

Wouldn't it save money and trouble by changing the reliable and durable engine oil for maintenance?

To choose a good auto repair school, it is best to observe the school and pay attention to the following six points.

First: look at the scale.

Looking at the scale of the school, the large-scale auto repair school has many general teaching facilities and complete equipment, which can meet the requirements of students' learning and operation.

First: look at the brand.

Looking at the brand of the auto repair school, choosing a good brand of auto repair school is an important factor in choosing a school, and the brand is a symbol of quality, representing the comprehensive strength and quality of the auto repair school. Generally speaking, the teaching quality of auto repair vocational schools with excellent brands is relatively high.

3. Look at the teachers.

Third, looking at the teaching force of automobile repair schools, for students, well-trained teachers are the guarantee of the quality of education. Teachers should have rich experience in product technology and teaching management, and be familiar with today's auto repair industry. In addition, it is important to participate in some certification training and choose a full-time teacher with international certification to be able to learn real car repair skills.

Fourth, look at the environment.

The learning environment of the school, the choice of vocational school to learn technology, teaching equipment is very important, so when choosing a vocational school for automobile repair and training, we should pay attention to whether the school is equipped with large-scale, advanced automotive equipment, digital projectors, slide projectors and other teaching equipment, whether it can provide enough training room.

Fifth, look at the training.

Looking at the training environment, choosing an auto repair vocational school to study, and before entering the enterprise, the practical experience of auto repair that students have plays a vital role in the job search process. Finally, it is recommended that you can go to a professional auto repair school for a field trip, so that you can choose a better auto repair school.

Sixth, look at employment.

Good auto repair schools all have employment recommendations, free job recommendations upon graduation, and entrepreneurship assistance policies to provide entrepreneurial support and assistance for students who are willing to start their own businesses.

The maintenance and repair of the car should adhere to a moderate principle, generally speaking, the maintenance of the car should be carried out in strict accordance with the requirements of the maintenance manual.

Generally according to the number of kilometers of maintenance, 5000-7500 maintenance, if you run too little, you maintain 2 times a year, that is, summer and winter maintenance, because these two seasons are easy to go wrong. If it is maintained every 5000 km, a .50,000 kilometers and so on, just do a routine inspection of the engine oil.

b 10,000 kilometers and so on are more than a four-wheel rotation, and brake system maintenance. C 10,000 and more engine oil cleaning (throttle, air intake, fuel, lubrication), as well as air conditioning and air cleaner than B. D 10,000 is the maximum maintenance interval, including all maintenance items in item C, plus the replacement of all oil and water in the whole car.

The spark plug looks at the material used in the original car, the longest platinum is 100,000 kilometers, and the general 20,000 is replaced.

Hello. Well, you're adding semi-synthetic motor oil in the case. Don't say it, according to the requirements, 7000 kilometers need to be replaced.

But still want to continue to open the case. Just to prolong the life of the engine, you owe one or replace it. Because the oil is oxidized.

Yes, engine nine has no lubricating effect. It is easy to cause premature wear and tear of the engine. Hope it helps, hope, thank you.

Fault judgment of black smoke from exhaust pipe: true fault. Cause analysis: It indicates that the mixture is too concentrated and the combustion is incomplete. 2.

The engine noise is large, and when the vehicle presses the accelerator pedal on the spot, there is a "rumble, boom" abnormal sound, and there is a vibration fault in the engine compartment.

Every time the air conditioner is turned on, its air outlet has a very unpleasant smell, and it is more serious when the weather is humid.

When repairing and maintaining the car, you should pay attention to bring your user manual, and the staff of the general service shop will stamp the maintenance seal on it as a certificate for your normal maintenance to avoid disputes over out-of-insurance. Remember to bring valuable items with you in your car to avoid losing them.

1. Look at the mileage.

When the car breakdown is more serious, you may have to leave the car in the repair shop for a while, at this time you have to remember the mileage, to prevent the restless car repairer, drive the car out to play, generally repair the car, and add some test items in time not to exceed 20 kilometers.

2. Let the service store go through the claim procedure for you.

When there is a problem with the vehicle and needs to be replaced, if it is within the scope of the warranty, you must let the service store give you the claim procedure and replace it free of charge, and the replaced parts still have a certain mileage and time of the warranty period.

3. Be aware of the maintenance statement.

It is necessary to carefully read the contents of the settlement list before signing, and if there is a maintenance cost, you can use the document as a voucher.

4. Prevent minor illness overhaul and disease-free overhaul.

There is nothing wrong with the car is a small fault, but some businesses will exaggerate the fault and report some unnecessary maintenance items, or even no fault, and quote some unnecessary maintenance items to greatly increase the maintenance cost, if the consumer can not confirm whether the service is true, you can ask the staff to come up with the corresponding credentials.

<> "Understanding that car repair and maintenance is very important.

A sturdy horse, if you don't feed it well, even the best horse will be exhausted and fall to the ground; The same is true for cars, usually improper maintenance, when the car travels, due to long-term wear and tear of parts, the technical performance declines, which will not only affect the service life of the car, but also more likely to cause traffic accidents, which is extremely dangerous. It can be seen from this that automobile maintenance is to maintain and restore the original technical performance of the car, and to ensure that the car has good usability and reliability. Timely and correct maintenance work will extend the service life of the car, improve its safety performance, save money and save a lot of trouble in repairing the car.

Introduce a simple car maintenance method of Sanfu land car, which can not only save money, but also can be operated by yourself, which is quite convenient. The first is to replace the glass of water. When the glass of water does not spray properly, go buy a bottle of glass water, open the engine cover, find a blue or yellow cover on the left side, open it and fill it with water.

The second is the tire pressure test. It is necessary to detect the tire pressure, first open the cover on the valve core, dock the interface of the tire pressure gauge with the valve core, and the current pressure will be displayed after it is connected, and the tire pressure is maintained at normal. The third is to replace the wipers.

There is a clip in the wiper ** position, just press it and beat it downward, align the card slot when installing, and pull it outward.