Many of the drivers suffered from headaches as soon as they arrived for maintenance, went to a 4s shop or repair plant, and once the repair masters examined, a long maintenance list was drawn up and a number of maintenance projects were recommended. Many of the owners of the vehicles did not understand the principles of the vehicle and, in fear of its failure, the master agreed to do so, and it was common to maintain thousands of dollars at a time. A few years later, a lot of people spent thousands of dollars on maintenance。
The better the vehicle is not maintained, many of the items are over-maintenance, not only for free, but also for damage to the vehicle as well. Old repairers with more than a decade of experience have said privately that the heart of car maintenance is not to be sold by the door shop, but to follow the vehicle maintenance manual. Today we share 10 practical onesVehicle maintenanceThe gold technique, which is understood to avoid 90 per cent maintenance, saves the next large vehicle maintenance expense and recommends that the collection be preserved and that subsequent maintenance be directly compared。
Trick one: change oils blindly reduces the cycle and separates the oils into a time frame。
Many shops opened up and said that 5,000 kilometres of oil had to be replaced, the most common pattern. The oils are classified into mineral oils, semi-synthetics and completes, with completely different cycles. Mineral oil is replaced by 5,000 kilometres or half a year; half-synthetic 7,500 kilometres or half a year; all-synthetic 10,000 kilometres or one year, depending on which is implemented. Even if it only runs 23,000 kilometres a year, the time will be changed and the oil will be oxidized. The normal road conditions do not need to be changed earlier. The maintenance would require only the replacement of oil and filtering, no extra money for internal engine cleaning, engine protection, and normal oil itself with self-cleaning functions, most of which would be revenue-generating items。
S2: the filter core is replaced as required and air-conditioning air cores can be replaced by self-checking。
Air core protection engines to block entry of dust and dust impurities are usually replaced by 15,000 to 20,000 kilometres. If cars are frequently driven in dusty, rural roads, they can be pre-screened, replaced in a dirty, direct manner, and continue to be used cleanly without mandatory replacement for each maintenance. Air-conditioning cores are related to the air quality in the vehicle and are checked before the summer, with a taste, a smaller amount of wind and a replacement. The two core structures are simple, the online purchase of spare parts is cheap, and the owner of the vehicle with the ability to do it can replace himself, saving the high cost of working hours. Fuel filtering cores are replaced in accordance with the maintenance manual cycle and do not follow the advice of the master to replace them earlier。
Tactic iii: clean up engines, oil roads, carbon packs if you refuse to move。
This is one of the most profitable items in the maintenance shop. The vehicle was slow and stable, speeded up, fuel consumption was not abnormally high, and there was no need to spend money cleaning the engine interior, jets and air-saving doors. Many stores sell a full set of carbon-cleaning packages for hundreds and thousands at a time. Targeted treatment is required only in cases where vehicles show visible vibrations, the speed of their glitch is unstable, fuel consumption is soaring and carbon accumulation is detected to be severe. Do not blindly do a full cleaning package, the washing agent residuals are mistreated and the engine seal may be damaged。
Skills four: brake oil is a safety item that cannot be saved but is not subject to frequent replacement。
The price of brake oil, which relates to the safety of the vehicle, cannot be saved, but is also replaced year after year. The industry standard is two years or 40,000 kilometres, with priority being given to testing the amount of water, which is replaced by the quantity of water, and the indicator can normally continue to be used. The replacement of brake oil must be based on the model of the vehicle manufacturer, which cannot be mixed. The brake blades, brake plates and plates are briefly checked for wear and tear, wear and tear to the cordon and change, and the master said it was thin and must be seen with his own eyes, so as not to be infrequently replaced without wear and tear。
S5: don't be fooled, change, read the manual。
Many maintenance staff say that the transformer tank oil is 20,000 kilometres away, and that there is an exaggerated propaganda that says it will end up dead without changing. In practice, manual block models are usually replaced by 60,000 to 80,000 kilometres; for the most part, automatic block models range from 60,000 to 100,000 kilometres, based on the original vehicle plant maintenance manual. Part of the gear transformer marked for life without maintenance is not always without pipe, and the oil and fluid levels are regularly checked. Change gear tank oil, give priority to gravitational change, do not blindly choose the cycler, use the cycler in larger quantities and at higher costs, and force the old gearbox to recycle for oil, with the potential for impurities to burst into trouble。
Six: the spark plugs are not replaced in advance。
The useful life of the spark plug depends on the material. Ordinary nickel alloy pyrotechnic pyrotechnics are replaced by 20,000 km and precious metal pyrotechnics, such as iridium and platinum, can be used up to 60,000 to over 100,000 km. As long as the vehicle is activated smoothly and the acceleration is free of setbacks and tremors, even at the recommended mileage, it can be removed and checked for continued use in good condition. Many stores have proposed the replacement of spark plugs for 12,000 kilometres, purely to earn spare parts and working hours。
Skills vii: refrigerated fluids are tested for ice points on demand, not for two years。
The main functions of anti-frozen fluids are cooling, rustproofing and freezing. Most of the household vehicle anti-freezing fluids can be used for up to four years or 60,000 kilometres, with only the detection of ice points at each time of maintenance, insufficient liquid levels to add generic liquids and no direct water. Only when ice points fail to meet standards, liquids are dilated and impurities appear to be replaced as a whole. The different colours of anti-freeze fluids are not readily commingled, with different chemical compositions, which can easily produce sedimentation and block cooling pipes。
Skills 8: tyres and tire pressure are the highest priority and self-check regularly to avoid excessive replacement。
Many owners ignore tyre maintenance. A simple monthly examination of the pressure of the tires, maintaining the standard labels of the plant, and excessive and low pressure of the tires affect fuel consumption and brake distance. Tyres bear a worn safety mark, and the gravitation to the mark must be replaced. Even if the pattern is still deep, the tyre is out of the plant for more than five years and the rubber is getting old and hard, the focus is on the cracks. Instead of talking about old tyres, the door shop changed and looked closely at the cracks. Four rounds of positioning, which are required only if the vehicle has run off, the steering wheel is not right, and the tyre is subject to severe wear and tear。
Skills nine: go to shop maintenance, check the list first and do not allow additional work without consent。
This is the most critical step in avoiding the pit. The vehicles were sent to the maintenance shop to clarify which items needed to be performed, the type of spare parts, the unit price and the hours worked, and to request a written quotation. Any temporary oral addition to the project after inspection by the maintenance manager must be clear as to the cause of the failure, the price and the consent of the maintenance manager. Rejection of “open first and then offer” and, once unopened, can easily lead to minor major repairs and passive acceptance of high-cost repairs. The spare parts are split into originals, brands and by-products, and the price varies widely, with pre-identifying the type of spare parts。
Skills 10: good car habits are developed on a daily basis, which is better protected than frequent maintenance。
A good maintenance programme is no match for bad driving habits. After cold start-up, no large-foot oil doors are immediately allowed until the engine is moving at a smooth pace; long periods of in-situ slacking are easy to increase carbon accumulation; heavy-loaded, frequently and rapidly accelerating brakes accelerate wear and tear of engines, gear tanks and brake blades. Vehicles are parked for long periods of time, are not fully charged or placed in deficit, and short distances are periodically activated. The day-to-day driving of the dashboard failure light increases the cost of maintenance as soon as it is activated and detected in a timely manner, the failure becomes a major problem。
After looking at the ten techniques, one can tell which projects have to be done and which are just revenue-generating projects marketed by the shop. The biggest error in car maintenance is the belief that the more money is spent, the better the vehicle is maintained. Many of the drivers were brainwashed by various maintenance packages, kept doing redundant projects and spent money, causing unnecessary damage to the vehicles. The underlying logic of maintenance is that it is organized strictly in accordance with the original vehicle maintenance manual, which takes into account the actual condition of the vehicle, which is not required and there are no anomalies in the operation of the vehicle and the additional maintenance items are rejected。
Here too, it is important to distinguish between security-related projects that cannot save money, brake systems, tyres, cooling systems, which are of concern to the safety of motor vehicles, which should be replaced in a timely manner; and cleaning, conservation additive-type projects that are carefully chosen and not intimidated by rhetoric. Many drivers are now afraid of losing quality assurance without maintaining 4s. In fact, there are long-standing national regulations to maintain maintenance at formal repair plants, to maintain maintenance documents and accessories, without prejudice to vehicle quality assurance, and to choose to maintain the door shop according to their own circumstances。
The maintenance of vehicles is a long-term matter, and basic knowledge is understood so that they are not carried by the maintenance techniques. A lot of millions of dollars could have been saved. Learn to distinguish between paths, spend nothing, spend nothing, keep the car stable, have a longer life and have a higher preservation rate。
Topical discussion
When you were maintaining the car, did the repair plant sell unnecessary maintenance? Are you usually at the 4s or outside repair shop? Welcome to the comment section to share your experience of stepping on the pit. Car-drying is preferred, attention is welcome, and knowledge of vehicle pits and practical use is shared on an ongoing basis。
