Maintenance knowledge of consumable parts on the door

[China Glass Net] The car door is a small space but complex structure, including door locks, glass lifters, horns, anti-collision beams, waterproof layer and sound insulation layer. In the absence of a collision, equipment such as horns, anti-collision beams and sound insulation layers are basically free of any problems. However, in order to use the door normally and avoid noise, the owner should always pay attention to the condition of the door hinge, sealing strip, glass lifter and other components, and find the problem and repair it in time.

The hinge should be lubricated frequently to allow the door to open and close freely.

Since the doors are often switched and the strength and amplitude of each person are different during operation, the door hinges are worn out greatly, and over time, the door closing is not tight. Therefore, it is necessary to keep the door hinges lubricated frequently to reduce the degree of wear and to easily open and close the doors.

In life, when you hear the snoring of your own door, you will order some sesame oil on the hinge. The noise will soon disappear, and the method of maintaining the door hinge is similar. Many people are rude when closing the door, which will also cause the door hinge to deform, so pay attention to the door closing method. First, the window glass should be fully closed or fully opened before the door is closed. Because the window glass is half-opened, the vibration of the door is greatly affected, and the window and the door are easily damaged. Secondly, when the door is closed, To gently pull the door between 20° and 30°, and then close the door with a little force, so that the door hinge can be durable and the door can be opened and closed freely.

Apply protective agent anti-sealing strip aging

There is a rubber seal around the door to prevent wind and rain from entering the compartment. However, if the sealing strip is damaged, it will cause leakage of the compartment and increase the wind noise during driving. Therefore, the sealing strip is also an important component, which is often inspected and regularly maintained.

Since the gap between the seal strips is easily filled with dust, the dust should be cleaned frequently with a brush. A high permeability protective agent is then applied to prevent the seal from aging. If the seal is seriously damaged or has a large degree of aging, it is better to replace it with a new one.

From the outside, the seal seems to be firmly bonded to the body, not actually. It is not difficult to replace the sealing strip. When repairing the sealing strip or applying a protective agent on the surface of the sealing strip, it is better to remove the sealing strip, which is very convenient to work.

Check the screws to prevent the elevator from malfunctioning

Now the car has abandoned the rocker-type manual lifting method, basically using the button-type electric lifting method, that is, using the electric glass lifter.

There are three common faults in the car glass lifter. One is the abnormal vibration of the glass. The reason may be that the glass lifter screw is loose. The solution is to tighten the lifter screw. Second, the glass lifter is stuck. This is mostly glass mud. Deformation or damage of the groove, looseness of the fixing screw of the lifter, deviation of the mounting position of the guide rail or damage of the glass lifter. The repair method is to clean, replace the glass mud tank or loosen the glass mounting screws to adjust the glass position; third, all the glass lifters cannot work. This extreme condition may be that the combination switch ground wire is disconnected, the main power line is disconnected, the relay is in poor contact, the damage or the lock switch is poorly contacted or not closed, and the maintenance method is an inspection circuit.

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