I am very surprised that the bolts of the vehicle will not loosen, and they will only run tighter! How can the car wheel fastening screws loosen?
Others asked: How likely are the bolts on the four tires to be loosened at the same time? What I'm talking about at the same time! Has a friend encountered such a thing?
For this phenomenon I can say that it is someone who is harming you! Not the car itself.
The car maintenance master said: After many years of repairing the car, the situation like yours hasn't seen it yet. If you loosen it at the same time, it can only show that your wheel screws are not tight or tight enough, but you can't be like five. All the screws will loosen the car. The car will not be in such a situation. When the wheel screw is loose, tap the brake on the downhill, and the wheels will make a slight buzz. If the rear wheel screws are loose, The sound of wheels will be amplified through the trunk and may be mistaken for something placed in the back box.
When the hub screw looses, the wheel swings back and forth during the middle of the journey, and at a low speed, it will hear a distinct squeak. At this time, it is necessary to immediately stop and check the hub screw.
In order to ensure their own safety, please be sure to develop the habit of checking before driving on the bus:
1. Develop a good habit of checking the tires and hub screws before getting on the bus to prevent accidental screw loss of the flywheel. At the same time, the condition of the vehicle body and the deformation of the tire should also be checked.
2. Develop the habit of observing and listening to the car's running sounds. Once you find that the car is running abnormally, be sure to check it carefully.
3. Develop a habit of regularly checking the 4 oil 2 water, spare tire pressure, wheel screw, and handle the problems found in a timely manner without delay. If the spare tire pressure is insufficient, when the tire is changed, it is found that the spare tire is not available.
4. Special attention should be paid to special circumstances. If you go to a repair shop to perform operations such as swapping the front and rear wheels, be sure to check carefully whether the tire screws are tight and tighten the screws tightly to prevent the screws from running out.
5. Check tires, shock absorbers and other components after running bad roads. Pay special attention to whether the tires are damaged or not, and prevent the tires from causing serious accidents at high speed.
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