Abnormal sound of gearbox
The gearbox is compact and precise in structure, and its importance is no less than that of the engine. The abnormal noise of the gearbox is generally caused by the wear of bearings or gears, and is generally expressed as a "rustling" noise. Therefore, the daily maintenance of the gearbox is important, check more frequently and change the oil frequently.
Hanging abnormal noise
The suspension system of a car is connected with tires, brake discs, etc., and attention should be paid to the noise that occurs during daily use of the car. The abnormal noise of the suspension system is mainly due to the aging and damage of the rubber cover of each connecting rod. It is necessary to check and repair at a 4S shop or a regular repair shop in time to avoid more serious loss or damage, which affects the safety of the car.