When the car can only be towed, the four-wheel drive must be cautious, otherwise it will break your big business, and it will be expensive to repair it.
First: What is the driving force of the car you usually buy?
I believe that many car drives are considered when buying a car, such as front-wheel drive, rear-wheel drive, timely drive, full-time drive, etc., are often considered from the economic aspect and the driving performance of the car configuration. Generally, when using a car at ordinary times, the car basically adopts two-wheel drive, either front-wheel drive or rear-wheel drive, and there are only a handful of four-wheel drive.
So here comes the question?
Sometimes you will see traffic police tow trucks on the road. Generally, the two wheels are on the ground, and the other two wheels are lifted. Can all cars be towed like this? Under what circumstances can two wheels land on the ground?
One is that the front-wheel drive can lift two front-wheel trailers.
The second is that the rear drive can lift two rear wheel trailers.
The third is that the time-sharing four-wheel drive and timely four-wheel drive can lift the two active wheel drags after the four-wheel drive is released.
Fourth, full-time four-wheel drive cannot lift two-wheeled trailers.
This is enough to see that four-wheel drive vehicles are not allowed to be dragged at will, even for time-sharing four-wheel drive vehicles and real-time four-wheel drive vehicles.
Second: So why can’t full-time four-wheel drive be towed?
The so-called full-time four-wheel drive is prohibited to tow trucks, which refers to the way the traffic police team tows two wheels. Of course, it can also be hoisted and put on the car to be pulled away. Assuming that the full-time four-wheel drive is being towed, the four wheels are still connected by a drive shaft. No matter which set of wheels is mounted on the trailer, the other set of wheels will rotate due to friction with the ground, which will generate force to drive the frame. set of wheels.
The most direct thing is to break the differential. The differential is dry-worn, the speed is too fast, and the distance is longer. The consequences are very harmful to full-time four-wheel drive vehicles.
After reading the above full-time four-wheel drive owners, they will say, can’t the car be towed when I drive the car? This is of course possible. You can put it into forward gear or reverse gear and work hard with the trailer. Of course, it is still difficult. In other words, if you can go, the owner is still there, and the car is not broken, why do you still have to tow the car?
Third: The full-time four-wheel drive is stuck, how to tow the car?
There is also a sudden accident. When a full-time four-wheel drive car gets stuck and needs to be towed, can it not be towed regardless of whether it is on or off, and it is in N gear?
In the case of a stuck car, you can drag it casually. You can start the car and put it in gear while adding power. If you don’t add power, you must start the car in N gear. This is safe, at least with brake assist, and it will not damage the gearbox. However, it is not allowed to drag an automatic transmission car in N gear when the engine is turned off, because the general automatic transmission has a locking mechanism when the engine is turned off. If you have to drag it, you need to open the protective cover next to the shift lever to unlock it. If the car is severely stuck, the body structure and the environment of the car should be considered, and effective measures should be taken.
It should be remembered that a full-time four-wheel drive vehicle is only suitable for temporary escape when the four wheels are on the ground, which means that the time is short and the speed is slow. What about long distances?
A full-time four-wheel drive requires a flatbed trailer or an ordinary trailer plus two small rollers to lift the four wheels off the ground.
Summarize:
One is to prevent the car from being towed. The core point is whether it is a front-wheel drive, rear-wheel drive or four-wheel drive. Be careful not to let the driving wheels rub against the ground and rotate, and try to avoid contact between the driving wheels and the ground.
The second is that if some car owners want to die, then they will be lucky. For example, if the car owner parks the car on the fire exit, the emergency exit of the hospital, etc., these are places where he is looking for trouble. If he is forcibly towed, he can’t blame anyone.
The third is that the owner of a full-time four-wheel drive vehicle can stick a fun reminder on your car, “full-time four-wheel drive, please do not tow the car” as a reminder, it is also possible; but wouldn’t it be better not to park indiscriminately?
Source of pictures and texts: Kuche Wuyou, WeChat public account kuche51.
