Can coasting in neutral on an automatic car damage the transmission?

Automatic transmissions are strictly forbidden to coast in neutral gear. Because the automatic transmission needs lubrication, when the gear is placed on N during driving, the oil pump cannot supply oil normally for lubrication, which will increase the temperature of the internal parts of the gearbox, causing complete damage! In addition, it is very dangerous to coast in neutral at high speeds, and it is not fuel-efficient!

The automatic transmission car sliding car in neutral is very harmful to the gearbox.

Family cars are basically EFI engines, and the engine will automatically stop fueling when the engine speed is above 1000 rpm and the accelerator is released - if your car has an instant fuel consumption meter, you can clearly see that the fuel consumption is zero at this time. When the automatic transmission slides in neutral gear, due to the difference between the driving speed and the engine speed, it is very easy to have insufficient oil pressure in the hydraulic pipeline of the gearbox, which will increase friction and damage the friction plates inside the automatic transmission, and eventually lead to the failure of the gearbox.

The amount of fuel injected into the engine is corrected by a sensor signal. In neutral gear, because the vehicle lacks the braking force of the engine, the car will drift, and the inertia will become greater and larger when going down a long slope, and the speed will become faster and faster, which will affect safety. When coasting in neutral, the "internal braking" effect disappears as the engine and gearbox are disengaged.

Automatic transmission is strictly forbidden to slide in neutral gear. Because the automatic variable banquet sleeps in the gearbox needs lubrication, when the gear is placed on N during driving, the oil pump cannot supply oil normally for lubrication, which will increase the temperature of the internal parts of the gearbox, resulting in complete damage! In addition, it is very dangerous to coast in neutral at high speeds, and it is not fuel-efficient!

If the automatic transmission car neutral coasting has an impact on the gearbox, if it is hung into neutral coasting during driving, it will lead to a decrease in the oil pressure in the automatic transmission, which will affect the lubrication and heat dissipation of the transmission, and if it is hung into neutral coasting for a long time, it will directly lead to the automatic transmission burning. There is transmission oil inside the automatic transmission, and the transmission oil plays the role of lubrication, heat dissipation and force transmission. There are three types of automatic transmissions commonly found in automobiles, namely AT transmission, dual-clutch transmission, and CVT transmission.

Automatic transmission neutral gear sliding is dangerous to the car, because when switching to neutral, the gearbox does not supply oil, but the gearbox is still moving, so in the absence of oil lubrication, it will accelerate the wear of the gearbox, so the automatic transmission prohibits neutral sliding.

Cars with automatic transmission cannot coast in neutral gear. Modern cars are computer-controlled fuel injection, if the car relaxes the accelerator pedal degree during the coasting process, the engine speed exceeds the idle speed, the computer will automatically cut off the fuel, and the car is as fuel-efficient. If the neutral coasting version, the engine is running at idle speed, which consumes fuel.

In addition, the automatic transmission car is lubricated by oil pressure. Neutral coasting is established without the right to start the oil pressure. The gearbox burns out easily.

Similarly, when the automatic transmission fails, it cannot be towed for long distances.

Neutral coasting refers to: in the motor vehicle driving, the driver puts the gear lever in the neutral position, separates the engine from the return clutch of the driving wheel, and uses the operation method of vehicle inertia to drive. Neutral coasting must be carried out under the condition of ensuring safety and normal technical condition of the vehicle, and it is not allowed to turn off the ignition and slide, especially when going down a steep slope or a long slope, it is not allowed to turn off the ignition or slide in neutral.

Coasting in neutral on an automatic car can damage the transmission. The specific effects are as follows: 1. Unable to supply oil normally:

When the automatic transmission car is engaged in N gear and coasting while driving, the oil pump of the automatic transmission will not be able to supply oil normally for lubrication when it is in N gear, which will increase the temperature of the internal parts of the gearbox and cause complete damage. 2. Threat to safety: neutral gear coasting is greatly discounted in terms of safety, in fact, the forward of the vehicle must rely on the torque exerted by the engine, the torque of the high gear is small, the throttle response is slow, and the acceleration slows down, so the correct overtaking should be slowed down by one gear, and the automatic transmission only needs to press the throttle to the end, and the transmission will be lowered by one gear to provide enough torque.

3. Increased fuel consumption: coasting in neutral gear is not fuel-efficient, and sometimes even more fuel-efficient, which is mainly related to the working mode of the EFI engine. For EFI engines, the amount of fuel injected can be judged according to the computer program.

If you coast in neutral, the computer will put the car into idle mode and the engine will still be injected.

Unable to supply oil normally: When the automatic transmission car is engaged in N gear and coasting while driving, the automatic seepage gearbox will not be able to supply oil normally for lubrication when the oil pump is in N gear, which will increase the temperature of the internal parts of the gearbox and cause complete damage. Disturbing and trembling.

Threat to safety: neutral coasting in terms of safety is greatly reduced, in fact, the vehicle must rely on the torque exerted by the engine, the torque in high gear is small, the throttle response is sluggish, and the acceleration slows down, so the correct overtaking should be slowed down by one gear, and the automatic transmission only needs to press the throttle to the end, and the transmission will be lowered by one gear to provide enough torque.

It is not recommended to coast in neutral gear.

It is harmful to the car, because when switching to neutral, the transmission does not supply oil, but the transmission is still moving, so without oil lubrication, it will accelerate the wear of the transmission.

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