Time flies. Seeing that another unforgettable year is coming to an end, we should make a plan and sum up our work this year. If a person wants to grow up, he must sincerely face his own advantages and disadvantages. Don't you have the idea of writing the annual work summary of your post? We specially collected and sorted out the annual work summary of automobile maintenance. Please continue to pay attention to our website for more information.

Annual work summary of automobile repair 1 20__ years have passed. Looking back on this year, the company leaders and colleagues have worked hard and completed all the work well. In order to further improve employees' service awareness and work efficiency, and establish a good service image, the company has also set up a quality service management team with the general manager as the team leader, the managers of all departments as the deputy team leader and the team leader as the members, which has been significantly improved in all aspects. The maintenance of official vehicles in Shenzhen in the past year is hereby notified as follows:

I. Internal management

The company organizes all employees to seriously study the management system, work norms and post details of each team; The corresponding Shenzhen municipal government official vehicle maintenance management system is specially formulated to train and assess employees' business level, work performance and professional ethics, so that they can have relevant professional qualities and skills, meet the professional post requirements stipulated by government procurement and supervision and management departments, and comprehensively do a good job in official vehicle maintenance and performance. Create a good atmosphere, widely publicize, hang slogans, accept supervision from all walks of life, set up suggestion boxes, complaint telephones, etc. If it is verified that the employees of the company violate the rules, they will be punished according to the relevant regulations, and the serious circumstances include warning, fine and dismissal. If the procurement unit finds problems in the implementation, it should directly report complaints to the Shenzhen Municipal Government Procurement Center, put an end to all kinds of unfair competition, actively provide quality services for the procurement unit, and establish a good image of the Shenzhen Municipal Government official vehicle maintenance enterprise.

Second, the maintenance of equipment

Make full use of Saturday and Sunday breaks to overhaul and maintain test equipment. Maintain and restore the technical performance of the equipment to ensure that the equipment has good availability and reliability. Provide good equipment guarantee for the maintenance of official vehicles.

Third, the performance of the contract

According to the requirements, one vehicle should have one file, and the repair confirmation sheet, material list and maintenance quality assurance card should be filed, and the effective purchase price proof materials such as the warehousing list or the purchase invoice of official vehicle maintenance parts should be put into the official vehicle maintenance file. Fill in the maintenance order to ensure its accuracy and completeness. The billing list is classified according to requirements, that is, working hours are calculated according to "working hours quota, working hours unit price and working hours charge" respectively; Materials are calculated according to "purchase price, management rate and settlement price". The attached original parts list must be signed or sealed by the manufacturer. From June 65438+1October to February 65438+February, 20__ _ _, vehicles entered the factory for maintenance, and the accumulated maintenance fee was RMB, with a preferential amount of RMB, with a total preferential margin of 2%.

In the past year, although the company has made some achievements, there are still many shortcomings. A new year is coming. We will continue to work around the company center, overcome shortcomings and improve methods; In-depth study, grasp the truth; Strengthen governance and improve services; Boldly explore new working ideas and methods, and strive for the healthy and rapid development of official car maintenance!

According to the work situation and shortcomings in 20__ years, combined with the current development status and future trend of official vehicle maintenance, we plan to carry out the work in 20__ years from the following aspects:

1, strive to improve the comprehensive quality of office staff, strengthen theoretical study and business study, strengthen service awareness and governance awareness, formulate corresponding assessment and governance systems, clarify the division of labor, and fully mobilize work enthusiasm;

2. Vigorously strengthen the post knowledge, skills and quality training of employees, and increase the development of internal talents.

3. Establish internal vertical and horizontal communication mechanisms, mobilize the subjective initiative of all employees in the company, and establish harmonious internal relations.

The most frequently heard sentence in the summary of the work of auto repair for 2 years is "the level of XXX is really high. Sitting at the gate, you will know what the problem is when the vehicle passes by him. " Although this statement is somewhat exaggerated, it also shows the importance of listening in maintenance. Listen, first of all,

Find the location of the fault and identify the type of noise. Moreover, in the current failure analysis, mechanical failure is the most common, so "listening to work" is the basic skill of maintenance personnel. If you can't find the fault location, you will take many detours in maintenance and waste manpower, material resources and financial resources. If it is an engine fault, it cannot be judged as an automatic transmission fault. For example, a Passat car in Shanghai has a slight abnormal noise after preheating. Because the car is equipped with an automatic transmission, it is impossible to judge the fault position by stepping on the clutch pedal. After auscultation, it was found that the excessive clearance of connecting rod bearing in cylinder 6 led to abnormal noise of the engine.

A mature maintenance worker should carefully summarize the characteristics of various noises, such as continuous and intermittent noises, creaking and low noises, regular and irregular noises, etc. It is necessary to learn some special structures, and it is also practical to master them well. For example, a car with air suspension can't talk about oil leakage of shock absorber, and a car with automatic transmission can't talk about manual clutch. Through the continuous accumulation of listening experience, we can turn the existing theory into a practical skill, and our level can be continuously improved.

Annual work summary of automobile repair. The driver knows the vehicle he is driving best, which is the first-hand information to judge the fault. Generally speaking, limousine drivers attach great importance to vehicles. It is understandable that they will go to the repair shop to check the slightest change, so the information they provide is very important. For example, a 4-cylinder 1.6l EFI Jetta avant-garde car has poor acceleration performance, serious driving jitter and flameout when driving. Asked the driver, the driver said it happened after running a distance on a dirt road in the country. We suspected that the air intake and oil circuit were dirty, so we replaced the air filter element, gasoline filter element and filter screen of the automobile pump according to the conventional method, and cleaned the throttle channels and four injectors. During the disassembly process, they were found to be dirty. After cleaning and reassembly, they are debugged and troubleshooting.

In short, the above are some special cases, which does not mean that the correct basis can be completely obtained through "asking". Because the driver's qualification, experience and mastery of the vehicle and performance are at different levels, we should look for key and important phenomena when asking questions, and the driver's answer should be able to discard the false and retain the true. This is very difficult for maintenance personnel, and the key lies in whether the vehicle structure and performance are thoroughly understood. This requires maintenance personnel to accumulate theoretical knowledge and practical experience. Only in this way can we fully reflect the importance of "questioning".

Summary of the annual work of automobile maintenance 4 Time passes quickly, and before you know it, one year will come to the end of the year. Looking back, I gained a lot this year. Thanks to their conscientious teaching, I can't grow up without them!

I. Goals achieved this year

When I first became a full-time employee, I set a goal to standardize my maintenance process. This year, we should be able to complete all plastic surgery, door replacement and minor accidents independently, and also master the maintenance technology of major accidents as soon as possible. At the same time, we should also get rid of carelessness, improve the quality of maintenance, put an end to repair rate, and do a good job in every car. This is not only responsible for customers, but also for ourselves; At the same time, we should also study as early as possible, study technology hard and strive for independent maintenance. Now it seems that the original goal has been achieved, and it can be repaired by itself after coming to the car, and both the maintenance process and the maintenance quality have been greatly improved; No longer the original rookie!

I also have some shortcomings in my usual work, and I am a little careless. Although my talent is not as good as being treated, I am not afraid of being dirty and tired, and I am willing to learn. Otherwise, what is waiting for me is being "eliminated"!

Second, new goals for next year.

1, further standardize your own maintenance process, improve your own maintenance quality, and try to put an end to maintenance;

2, as soon as possible to master the main points of major accident maintenance, skilled use and maintenance as soon as possible;

3. Participate in more training, strengthen your skills and learn new maintenance techniques;

4. Improve your maintenance efficiency as much as possible and maintain the most vehicles in a limited time;

A new year, a new atmosphere, adjust the mentality, grow in training, and hone in work. Meet the new challenges in 20xx!

Summary of the annual work of automobile maintenance in 5 20XX years, I graduated from X College, majoring in internal combustion engine manufacturing and maintenance. I just graduated from college and came to work in the company. During my work, I gradually mastered the basic requirements of vehicle maintenance through serious internship and diligent practice. Under the careful care and guidance of leaders and colleagues, I have made some progress in all aspects through my unremitting efforts. Now I will report my work. Please point out the shortcomings!

First, there are roads in the mountains, and the sea of technology is boundless.

When I arrived at the maintenance and manufacturing center, I knew that as a skilled worker, if I didn't understand the drawings, the principle of equipment and the structure of vehicles, I would not only be embarrassed, but also be a qualified worker. I overcome the unfavorable factors such as lack of practical experience, and strive to "refuel" myself with a "bull's strength" of not stopping until I reach my goal. I sorted out some useful technical books, deeply studied technical theories such as vehicle structure and mechanical foundation, and applied what I learned to production practice to continuously improve my professional skills. Sometimes, in order to find out the ins and outs of an accessory, I will study the technical data all night, and I will never give up until I understand it; Sometimes, what I can't finish in the workshop, I take it back to the dormitory for research. Over time, my dormitory became my "research institute". Many things happen. After studying hard, I have made rapid progress, but I am not complacent at all. I know that although I am a college student, many masters in the maintenance and manufacturing center have rich experience and are examples for me to learn. On the road of learning professional technology, there is no room for any falsehood and slack. I will make unremitting efforts to make new contributions to the enterprise.

Second, be brave in tackling difficulties and solving difficult problems.

With my intelligence and professional skills, I solved a series of problems for the maintenance and manufacturing center together with the masters, and overcame one difficulty after another. In April this year, the maintenance and manufacturing center informed me that there was a car with load reverse gear, which was repaired several times but failed to be repaired. As soon as the car was repaired, my master and I immediately took the tools to test drive with the driver. When driving, we found that the reverse gear automatically jumped in the desert section. The driver said: the problem appeared three months ago, but I couldn't find it. After discussing with the master, I judged that the driver said that it had been replaced and no problems were found. After the test run, my master and I checked it again in detail, and we still determined that it was an inverted slide. After disassembling the gearbox, it was found that the toothed hoop used in reverse gear was abnormal. Although the size is the same, the shape of the teeth is different, which is the direct cause of gear shifting. After the replacement, the fault was successfully eliminated, which not only relieved the driver's troubles, but also saved a lot of money for the company.

Third, love their jobs and dedication, and serve them warmly.

"Standing to be a man, kneeling to serve" is the service concept of transportation companies. At work, I have seen many vehicles with brake failure while driving. I have made an in-depth analysis of this kind of problems and come to the conclusion that there are several reasons for the failure of braking when driving: insufficient compressed air pressure generated by the braking system. Because the air cylinder of the vehicle cannot store enough compressed air, the air source of the brake valve is insufficient; The air leakage of the brake valve pipeline and the blockage of the air path will cause insufficient compressed air pressure generated by the brake system during braking; The gap between the brake drum and the brake shoe is not suitable; The contact area of the brake shoe is too small. According to the above reasons, around the problem of brake failure, I have consulted and studied relevant maintenance materials many times, humbly consulted experienced teachers, and examined and analyzed the possible reasons one by one. For the part that may fail, I will adopt the method of "from shallow to deep, from easy to difficult". I'll check the air storage tank first to see if the air pressure meets the standard. Start the engine, check the pressure gauge response of the brake system, and find it difficult to inflate. Expansion >; Xmin just charged to xMPa. This situation may be due to the failure of the air compressor or the leakage of the sealed air pressure pipeline, which makes it difficult to increase the air pressure. I checked the air pressure when the engine was running at a medium speed and found that it rose slowly. After the flameout, I checked the air pressure and found that the air pressure dropped rapidly, exceeding the standard value. Check whether the tightness of the air compressor drive belt meets the requirements, and then remove the air compressor. It is found that most of the pump cover has carbon deposits, and the air inlet is also blocked by carbon deposits. After removing the carbon deposit, put it back on the pump cover and accessories. Found that the effect is better than before. The air compressor has obvious pumping sound and good working effect. Then connect the output throat of the air compressor to continue to start the engine, gradually relax the test air volume of the pipelines in front of the main valve, and then completely remove the carbon deposits on the blocked pipelines.

Through the above operation, after the engine is started, the air pressure can quickly reach above xkPa. I judged the fault according to the pressure drop after stepping on the brake pedal, and found that the pressure drop was normal. However, after the pedal is released, the exhaust volume of the exhaust valve is insufficient. I immediately disassembled and inspected the master brake valve, and found that there was an obvious groove on the valve glue of the intake valve. The valve glue of the exhaust valve is not properly closed. After modification, I adjusted the exhaust valve, and then I adjusted the gap between the brake shoe and the rear wheel brake drum to prevent mopping the floor. And check whether the extension stroke of the push rod of the front and rear four-wheel brake air chambers reaches the specified value. The front wheel push rod stroke should be xmm, and the rear wheel push rod stroke should be xmm. Unexpectedly, in the process of inspection and adjustment, it was found that the push rod of the left and right wheel brake air chamber was laborious, slow and inflexible. When the air inlet pipe of the brake air chamber is disassembled, air is exhausted, which proves that the air pipe joint is not blocked and the valve glue is not leaked, which indicates that the reason for this phenomenon may be that the lubrication is not serious enough during the first-level maintenance, or that the camshaft and bushing are rusted due to long-term loss of grease, resulting in difficult thrust and short push rod stroke.

Therefore, jack up the wheel, then turn the wheel and try to press the brake pedal. Sure enough, the wheels stopped slowly instead of immediately, which proved that the camshaft had lost its function. Immediately remove the left and right wheels and the brake cam push rod for rust removal and lubrication adjustment, clean the entire brake drum to 1200, and check the tension of the brake shoe return spring. Intuitively, the spring has been corroded a lot. Comparing the old and new springs, it is confirmed that there are differences in elasticity and thickness, so a new one is replaced. After replacing it with a new one, the fault was eliminated. After the test run, the original brake failure of the car was eliminated.

Fourth, strengthen self-cultivation and move closer to the party.

As the saying goes, "It's never too old to learn". I have been strict with myself in all aspects and strive to improve myself in order to adapt to the situation of social development more quickly. Actively study political theory through newspapers, magazines and books; By reading a lot of books on moral cultivation, we can dissect ourselves, analyze ourselves, face ourselves squarely and improve our quality. Abide by the law and study legal knowledge seriously; Love my job, actively study professional knowledge, have a correct working attitude and be serious and responsible.

Summary of the annual work of auto repair: 6 xx 65438+February, I worked as a maintenance intern in XX Toyota Motor Sales & Service Co., Ltd. During this month, I got a certain understanding and profound experience on the whole vehicle sales, spare parts supply, after-sales service, maintenance and information feedback of the auto maintenance service station. Xx Toyota Automobile Sales & Service Co., Ltd. is the first-class maintenance equipment designated, matched and directly provided by Toyota, such as elevators, tire dynamic balancing machines, body straightening racks and painting rooms. It also has advanced imported testing instruments, such as computer detectors and ignition testers, as well as computer networks for maintenance business. Spacious and tidy business reception hall and thoughtful customer lounge provide customers with a comfortable environment, spacious maintenance workshop and 24 standard workstations, which fully meet the needs of maintenance operations. Complete specifications, high quality and pure accessories are the safety guarantee for the operation of Shanghai Volkswagen series vehicles. Xx Toyota Motor Sales & Service Co., Ltd. is a large 4S shop. Main sales; Vios, Corolla, Reiz, Crown, Prado, Cruiser, Costa and other domestic best-selling models.

First, the purpose of internship

1 Familiar with the automobile maintenance environment and maintenance tools. Lay a foundation for future work.

2. Confirm, deepen, consolidate and enrich the theoretical knowledge learned through on-site maintenance practice and employee exchange guidance, cultivate the ability to analyze and solve practical engineering problems, and lay a solid foundation for subsequent professional knowledge learning, curriculum design and graduation design.

Maintenance practice is to cultivate students' comprehensive ability. In the whole practice process, students' subjective initiative is fully mobilized, and their practical ability is improved through careful observation and practice.

Second, the internship content:

This company not only has a group of high-quality and skilled automobile maintenance technicians, but also buys a group of advanced automobile maintenance testing equipment from home and abroad. For example: computer detection analyzer, fuel injection cleaning analyzer, four-wheel locator, atf automatic cycle cleaning and so on. The software and hardware of the factory are perfect.

There is a perfect maintenance service process, which is as follows:

1, automobile maintenance

Car maintenance is very important. To buy a new car, you must first know how to maintain it. Several tasks to be done in automobile maintenance;

Clean the appearance of the car, and check whether the door and window glass, wiper, indoor mirror, rearview mirror, door lock and lifter handle are complete and effective. Check whether the water quantity of the radiator, the oil quantity of the crankcase, the oil storage quantity of the oil tank and the electrolyte level in the battery meet the requirements. Check whether the horn and lighting are complete and effective, and whether the installation is firm. Check whether the connecting parts of the steering mechanism are loose and firmly installed. Check whether the tire pressure is sufficient and remove impurities between the tire and the wheel track. Check whether the running clearance of the steering wheel meets the standard; Whether the hub bearing and steering knuckle kingpin are loose. Check whether the free travel of clutch and brake pedal meets the requirements.

Check whether the tire nuts and axle bolts are firm and reliable as soon as possible. After starting the engine, check whether the instrument works normally and listen to the engine for abnormal sounds. Check whether the vehicle leaks water, oil, air and electricity. Check whether the traction device works reliably.

The main functions of engine oil are lubrication, cooling, sealing, cleaning, rust prevention and engine corrosion prevention. Without engine oil, the heart of a car can't work normally. Use mineral oil, and generally change the oil every 5000 kilometers. The correct oil change standard is calculated by the engine running time. (Self-estimated average speed: km/h) x (100h/mineral oil-200h/synthetic oil) = oil change kilometers.

Inspection and replacement of automobile brake fluid: After the automobile has been running for a certain period of time, check the brake fluid and replace it if necessary. After being used for a certain period of time, the brake fluid will have different degrees of boiling point reduction, pollution, oxidation deterioration and other phenomena. The quality and performance of brake fluid should be checked in time according to the climate, environmental conditions, seasonal changes and working conditions, so as to replace it in time. Under normal working conditions, the brake fluid should be replaced after 2 years or 50,000 kilometers. In principle, different types of brake fluid should not be mixed, so as to avoid chemical reaction between them and affect the braking effect. Different models often use different brake fluids. Brake fluid includes mineral oil brake fluid and synthetic brake fluid. Synthetic brake fluid has many advantages and is widely used.

In addition, professional replacement equipment should be used when replacing brake fluid, so that the brake fluid can be replaced more thoroughly, without impurity residue, avoiding air resistance and effectively avoiding the common problems of manual replacement of brake fluid. For example, the brake is soft and the air release valve is damaged.

2. Engine spark plug replacement

Although time and mileage are not as strict as changing oil. However, if the spark plug is not replaced for a long time, it will also affect the work and life of the engine. Spark plugs are generally divided into two types, one is the ordinary type, and the service life of this spark plug is two years or 48 thousand kilometers. Another platinum spark plug, made of platinum material, has a service life of120,000 km or five years. Spark plugs in most cars can be replaced by themselves, especially in four-cylinder engines. There are only two sizes of spark plugs for family cars all over the world. If you want to replace the spark plug yourself, you can go to Toyota to open an auto parts store, report the age and model of your car, buy a spark plug that matches your car, and then borrow the tool for replacing the spark plug from the waiter to replace it yourself.

3. Common fault diagnosis and selection methods of automobile wiper.

Scraping more than 654.38+00,000 times. According to the international driving safety survey, when driving in rainy days, the traffic accident rate caused by the aging wiper is about 5 times higher than usual!

It's not, seeing that the weather is warm, the rainy season is coming. If there is anything wrong with your wiper, you must find a way to repair it quickly. We specially used Sunday's rest time to visit the masters of several auto repair shops, and the answer was: prescribe the right medicine and give different diagnosis methods according to the different symptoms of wiper.

Wiper hardening: replace the wiper or rubber: I don't know if you have noticed it. It feels good to use the wiper when it is not raining, but when you start the wiper when it is raining, you will find that the wiper will leave uneven wiping marks on the glass surface; Sometimes it gets stuck on the glass, causing poor eyesight. This situation indicates that the wiper has hardened. If this fault is eliminated, we must first understand the working principle of the wiper. It turns out that the wiper is transformed into one-to-one motion through the rotation of the motor and the connecting rod, and this force is transmitted to the wiper arm and the wiper itself. When the rubber part of the wiper hardens, the wiper can't closely adhere to the glass surface, or when the wiper has scars, it will cause uneven wiping and form residual dirt.

The replacement of wiper or wiper rubber is very simple, but it should be noted that the installation method and length of wiper are different for different models and years. Some wipers only need to replace the rubber plate.

1. If the wiper arm is vertical, it will stand up; If it is not vertical, the glass surface will be wet first. When the wiper is in an easy-to-replace position, the motor switch will be turned off.

2. The installation methods of wiper are U hook type and screw locking type. Hook-type users only need to pull up the hook to pull down the wiper.

3. It is best to compare the length of the removed wiper with that of the newly installed wiper to see if they are the same, and then observe whether the installation method is the same.

4. Insert the wiper as far as possible in the original way to fix it.

5. Wet the windshield and observe whether the wiper works normally.

Wiper arm failure, replace the wiper arm: the wiper is in close contact with the windshield through the force of the wiper arm spring. When the tension of the spring becomes weak, the wiper will float or hang on the windshield due to the strong wind pressure brought to the windshield when driving at high speed. In order to completely eliminate this fault, it is best to update the rain wiper arm as a whole. 1. Remove the sleeve of the wiper arm mount. 2. Loosen the retaining nut and remove it. 3. Put the wiper arm in an upright position, and then it will fall off with a slight movement. 4. Replace the wiper body on the new wiper arm. 5. Tighten the nut at the position where the wiper stops, and finally install the cover.

Three. internship summary

Although our internship in this company is very short, we have learned a lot of knowledge we want to learn in this company, which has enabled us to have a further understanding of the automobile industry. I know that I learned very little at school, and there are many things we don't know. During the internship, we studied the knowledge of automobile seriously with the masters, actively started work, cultivated our spirit of hard work and carefully understood the structure of the car body. Completed the purpose of disassembling the car, which meets the requirements of our internship. We have learned a lot about corporate culture and corporate management system. We not only made a breakthrough in our major, but also learned a lot of knowledge about business management. Generally speaking, I have successfully completed this internship, which will play an important role in my future work.

Middle School Students' Automobile Maintenance Practice Report (3)

From * * * to * * in * *, I carried out maintenance practice in Dongfeng Nissan * * franchise store. During these three months, I have a certain understanding and profound experience of the whole vehicle sales, after-sales service, maintenance and information feedback of the automobile 4s shop.

Dongfeng Nissan * * franchise store is the first-class maintenance equipment provided by Dongfeng Nissan, such as elevator, tire dynamic balancing machine, body straightening frame, painting room, four-wheel positioning instrument and so on. It also has advanced imported testing instruments, such as Nissan computer tester, ignition tester, snow maker and so on. And a computer network for maintaining services. Spacious and tidy business reception hall and thoughtful customer lounge provide customers with a comfortable environment, spacious maintenance workshop and more than a dozen standard workstations, which fully meet the needs of maintenance operations. Complete specifications, high-quality and pure accessories ensure the safety of Nissan series vehicles. Our store is a large 4s store, and its sales and service models are: Teana, Yida, Tiida, paladin, Sylphy, Liwei, Junyi and so on.

This shop not only has a group of high-quality and skilled automobile maintenance technicians, but also buys a group of advanced automobile maintenance testing equipment from home and abroad. For example: computer detection analyzer, fuel injection cleaning analyzer, four-wheel locator, atf automatic cycle cleaning and so on. The software and hardware of the factory are perfect.

The three-month internship has given me a deep understanding of the maintenance of cars and the necessity of maintenance.

Car maintenance is very important. If you buy a new car, you must first know how to maintain it. Several tasks to be done in automobile maintenance;

1, clean the appearance of the car, and check whether the door and window glass, wiper, indoor mirror, rearview mirror, door lock and lifting handle are complete and effective. Check whether the water quantity of the radiator, the oil quantity of the crankcase, the oil storage quantity of the oil tank and the electrolyte level in the battery meet the requirements. Check whether the horn and lighting are complete and effective, and whether the installation is firm. Check whether the connecting parts of the steering mechanism are loose and firmly installed. Check whether the tire pressure is sufficient and remove impurities between the tire and the wheel track. Check whether the running clearance of the steering wheel meets the standard; Whether the hub bearing and steering knuckle kingpin are loose. Check whether the free travel of clutch and brake pedal meets the requirements.

2. Check whether the tire nut, axle bolt, leaf spring riding bolt and U-shaped bolt are firm and reliable. After starting the engine, check whether the instrument works normally and listen to the engine for abnormal sounds. Check whether the vehicle leaks water, oil, air and electricity. Check whether the traction device works reliably.

3. Change the engine oil. The main functions of engine oil are lubrication, cooling, sealing, cleaning, rust prevention and engine corrosion prevention. Without engine oil, the heart of a car can't work normally. Use mineral oil, and generally change the oil every 5000 kilometers. 4. Inspection and replacement of automobile brake fluid: Check the brake fluid after the automobile runs for a certain period of time and replace it if necessary. After being used for a certain period of time, the brake fluid will have different degrees of boiling point reduction, pollution, oxidation deterioration and other phenomena. The quality and performance of brake fluid should be checked in time according to the climate, environmental conditions, seasonal changes and working conditions, so as to replace it in time. Under normal working conditions, the brake fluid should be replaced after 2 years or 50,000 kilometers. In principle, different types of brake fluid should not be mixed, so as to avoid chemical reaction between them and affect the braking effect. Different models often use different brake fluids. Brake fluid includes mineral oil brake fluid and synthetic brake fluid.

However, what impressed me the most was not only the professional internship, but also some internship experiences.

Understanding of finding an internship;

College students' internship is a transitional stage from college life to social work. There is a big difference between school and society. When some students are at school, they seldom think about their future jobs and seldom prepare. Once you step into the society, you are psychologically blank. Entering the society, I am not sure about what I want to do, what skills I have and what materials I have. Therefore, internship is particularly important.

There is no difference between an internship and a normal job. If the internship has no direction, then if you want to find the direction in the future, you may take a detour. Also, for many students, it is best to get a job first and then choose a job. After all, there is little contact with the society at school, and there is still a certain gap between the practical operation and application ability of the major and the actual work requirements. Don't start thinking about finding a good job, a job in your major or a job you like, which is not practical enough.

Work summary:

1. It is best to keep a work diary every day. Before going to work in the morning, write down your work goals, key issues to pay attention to in your work, and what you want to ask clearly. Then, every day before I get off work, I will look at what I did that day, what work goals I didn't accomplish and why I didn't. It will be very important for me to pay attention to those problems in my future work. If I look at them often, I will make great progress.

2. In the work, if you encounter some unclear places, you must ask your superiors or teachers clearly. You can't imagine things out of thin air and do things indiscriminately. What you have done is likely to be reworked.

In the internship, it is very likely that you will encounter something contradictory with your immediate supervisor. If it has happened, we should think about why it happened and whether it can be avoided. If it can be avoided, we should pay attention to it in future work.