1, door hinge clearance; If the front door hinge is poorly lubricated or the gap is too large, the above failure phenomenon will occur. Generally, when carrying out regular maintenance, it is necessary to lubricate the door hinge with grease, otherwise it will be worn due to poor lubrication. So I suggest you go to the repair shop to check the adjustment.

2. Inspection of glass lifter; This maintenance method is the cause of poor fastening of the glass lifter, which will produce abnormal sound when the car body is unbalanced. This fault self-checking method is to judge whether there is improvement by hand at the next abnormal sound, otherwise it is recommended to go to the repair shop for inspection or fastening.