Driving School: What should I do if the rear wheel makes an abnormal noise when braking?

How to fix water vapor in headlights?

Reader Mr. Wang asked: During this time, I found that there is water vapor in the headlights of the car. How should I deal with the water vapor in the headlights?

Reply: First, check whether the fog can disappear when the headlights of the vehicle are turned on. If it can disappear, there is no problem. If it doesn’t go away, check the headlight seals and bulb installation. If there is no problem, but there is still water vapor in it, you can only replace the headlight assembly.

Why does the steering wheel not move while driving?

Reader Ms. Wu asked: When I was driving recently, I found that the steering wheel of the car sometimes could not move. What should I do?

Reply: Generally, the power steering pump of the car is under the right headlight of the front of the car, next to the lower guard plate of the engine. Its working environment is quite bad. Large vibration may cause the connector to become loose. It is recommended to go to a professional repair shop to check whether the power supply wire and ground wire of the power steering pump are loose.

What’s the matter with the frequent errors of the follow-up steering headlights?

Reader Mr. Zhu asked: When driving, you will always find the phenomenon that the headlights of the car’s follow-up steering are frequently wrong. What is the reason for this phenomenon?

Reply: If this happens, the sensor may be broken. It is recommended to go to a specialized repair shop to check and replace it. Usually, the ordinary headlights installed on the car have a fixed illumination range. When the car turns on a curve at night, because the lighting angle cannot be adjusted, a “blind spot” often appears on the inside of the curve, which greatly threatens the driver’s safety at night. drive. The follow-up steering headlights can automatically adjust the deflection of the headlights according to the driving speed, steering angle, etc., so that the “unreached” areas can be illuminated in advance, and all-round safety lighting can be provided to ensure that the driver has the best possible lighting at any time. good visibility.

What causes the rear wheel to make an abnormal noise when the brake is applied?

Reader Mr. Tan asked: When the car is driving, if the brake is pressed, the rear wheel will make a crashing sound. When I go to check it, it is said that it is the problem of the brake pads. Still having the same problem, what is the reason for this?

Reply: If such a problem occurs, it may be caused by the serious wear of the rear wheel brake drum. If the abnormal wear of the brake drum is observed, it is recommended to replace it and then test the car.