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Autumn car maintenance

Autumn car maintenance

As the saying goes, autumn wind and autumn rain bring sorrow to the people. Cars are like people, and they also need to cultivate themselves during the changing seasons. Let me tell you about the five steps of car maintenance when autumn comes.

Car air conditioners are a lot of hard work throughout the summer.

In autumn, car enthusiasts should focus on taking good care of it.

First check whether the refrigerant is sufficient, which can be estimated by feeling the temperature difference between the inlet pipe and the outlet pipe of the dryer

or Check with manifold pressure gauge. Secondly, clean the dust and dirt in the air outlet and cab frequently. This not only contributes to the beauty of the car, but is also beneficial to the health of the drivers and passengers. Third, regularly check whether the liquid level of the refrigerant in the air conditioning system is normal. There are several ways to check the liquid level, but the most common and simplest method is to use the peephole of the dryer to check.

Fourth, check whether the compressor belt is in good condition. If the surface of the belt

contacts with the pulley groove and the side is bright, and there is a "squeaking" noise when starting the air conditioner

, it means that the belt is seriously slipping and the belt should be replaced

Belts and pulleys; if the belt is too loose, it should be adjusted, otherwise it is easy to cause poor cooling of the air conditioning system. Fifth, check whether there are oil stains on the hoses and pipe joints of the air conditioning system. If leakage is found, please consult maintenance personnel in time for solutions.

1. The air-conditioning filter needs to be cleaned and replaced

Routine cleaning of the air-conditioning can be done once every six months. It is best to do some dusting and cleaning during the change of seasons. When washing the car, you can remove the condenser and clean it with a high-pressure water gun. Because leaves and insects may be caught when driving at high speeds, simple cleaning will be more conducive to the heat dissipation of the car. It is also necessary to clean the air conditioning filter

. But the cleaning method

should be determined according to its material. If it is a filter, it can be removed and cleaned with water, which is simple and economical. If it is made of activated carbon, this method is not advisable. In addition, the air conditioner's blower must also be dusted.

2. Listen to the sound to judge the working status

When maintaining your car, you must not only look, but also listen carefully

Because from the sound, the car will convey its health

condition to the owner. In autumn, car owners can choose to listen to the "voice" of their cars in a relatively quiet place.

For example, you can choose to pay attention to determine whether the vehicle's pulleys, engine and other components make abnormal noises when the car is cold started. If there is a sound similar to metal knocking, please check it carefully.

3. Pay attention to checking the tire wear condition

When the car is maintained in the season, car owners need to pay attention to the detection and maintenance of the tires. Summer tires are due to High-temperature friction and wear

will more likely cause cracks. During driving, cracks will also increase

. Therefore, car enthusiasts should pay special attention

to check whether there are cracks in the tires when performing maintenance during the change of seasons in autumn, and carefully check the surface damage

to see if there is any abnormal wear, etc. To ensure driving safety. At this time, riders can detect it through the tire indicator mark (wear limit position) or depth gauge, vernier caliper and other methods. According to reports, the limit size of the tire groove depth mark is 1.6mm. What needs to be reminded is that, especially new car owners, they should pay attention to the markings on the extreme positions of their tires before driving. Once a tire wears to its limit,

it is necessary to replace the tire in time.

4. Adjust the engine oil concentration timely during seasonal changes

In addition to checking the tires, changing the engine oil is an important part of vehicle maintenance

Due to the use of the vehicle, Environmental impacts and

changes in some materials over time must be regularly inspected and discovered in a timely manner to avoid greater damage or accidents.

When performing seasonal maintenance, you should also pay special attention to the concentration of the car's engine oil. Usually, car enthusiasts need to consider the change of seasons when choosing engine oil.

Because the viscosity of oil changes with temperature

the viscosity becomes higher in winter and lower in summer. Therefore, in hotter areas and seasons, try to choose engine oil with a slightly higher oil viscosity

. When the temperature changes and the weather is cold, you can use engine oil with lower viscosity.

5. The interior needs to be thoroughly sterilized and cleaned

When the seasons change, it is necessary to fully disinfect the interior of your car

In summer, the carpets and floor coverings, cushions on the seats and other interiors in the carriage, as well as some dead corners in the carriage, may be full of dust, which is easy to breed. Various types of bacteria. Once the weather gets cold and the car windows are closed, the air in the car will begin to become turbid, and odors and bacteria will pose a hazard to people's health, so you can During the

season change, perform a thorough interior sterilization and cleaning of your car

such as steam sauna, photocatalyst disinfection, etc. to ensure a comfortable ride

Environmental health and comfort.