Four common wrong maintenance methods in car maintenance

2024-09-13 15:13:53

With the development of The Times, cars have quietly entered thousands of households. The car is no longer just a means of transportation, it is more like our friend, integrated into our life, and even become the main member of the family. For their own car, we want to love, since the level of "love", of course, can not ignore the daily maintenance of car washing. But there are a few small misunderstandings of daily maintenance, the average person is easy to do wrong, today we have a look.

Misunderstanding 1: Too much or too little oil.

Automobile crankcase oil has a certain standard, not too much, not too little. Too much oil will increase the rotary friction resistance of the crank connecting rod, and will also increase the amount of oil sprayed onto the cylinder wall. The increase of carbon accumulation in the engine combustion chamber and the reduction of the driving force of the automobile engine will also become pollutants. When the repair shop checks, it is generally refueled according to the scale above the oil scale, and the oil level cannot exceed the maximum limit value of the scale, nor can it be less than the minimum limit value of the scale. The oil level is generally added to the upper part of the scale limit.

Misunderstanding 2: Tire pressure is better than low.

Some car buyers like to pump more than the standard air pressure of the car, thinking that it can load more, and can save gas and diesel, such behavior is wrong. Excessive tire pressure will reduce the grounding rate, increase tread damage, reduce the actual effect of braking, and then endanger safe driving. Too low tire pressure is not good, too low standard air pressure will affect safe driving, affect the actual braking effect, will accelerate tire shoulder damage, and increase the fuel consumption of the vehicle. Air should be pumped according to the pressure required by the manufacturer, and the tire pressure should be checked frequently to maintain stability. The tire pressure sign is usually affixed to the body or the outside edge of the car.

Misunderstanding 3: The wheel screws are not tightened loosely.

The bolt of each part of the car, according to the diameter, pitch and main use of different, its tightening torque is the corresponding requirements, can not meet the requirements of the bolt will be loosened, exceed the torque of the bolt will be stretched. Make sure you know the tightening torque of the bolt. For example, the wheel bolt, the general household car tire bolt tightening torque is 100-130.

Misunderstanding 4: Better tight than loose.

Some people feel that the belt is tightened, which can increase the working capacity of the engine, and even improve the cooling effect of the air conditioner, and the generating capacity of the generator set, so they try to tighten the belt, but they do not know that it is wrong. Belt should be installed with appropriate tension, belt too tight will make the bearing load is too large, reduce the life of the parts, will also lead to the rupture of the transmission belt, the most dangerous after the normal use of the car.

Therefore, in the process of using the car, we must do it according to the requirements of the manufacturer, do not do it according to their own ideas, otherwise it will not be worth the loss, and play the opposite effect.