Kneel for the master, when Suzuki Superman ignites, there is a click sound in the starting lever, which can't catch fire and occasionally works normally.

Symptoms: There are many possibilities of abnormal noise in the engine compartment. Most people also judge that it is abnormal noise in the engine compartment based on the sound source, usually it is metallic harsh noise or wind whistling noise.

solution: the abnormal sound of the engine indicates that the technical state of a certain mechanism of the engine has changed. Mainly because some parts are worn or even improperly assembled and adjusted. Some abnormal sounds can predict that the engine may be damaged accidentally, so when the engine has abnormal sounds, it should be repaired in time to prevent the fault from expanding.

it should be reminded that if it is abnormal noise in the engine, the owner can't solve it by himself, so it's better to send it to the factory for maintenance.

2. Abnormal noise in the gearbox

Symptoms: If there is a "rustling" sound inside the gearbox when the car is driving, it will sound like whistling when the clutch or accelerator is pressed.

solution: there are many parts of the transmission, and the causes of noise are complicated. When analyzing and judging, we should pay attention to whether it is related to a specific speed. For example, the noise of some planetary gears is obvious at about 5 km/h. Whether it is related to some gears is very important for judging the fault of the transmission. If a gear rings, it must be related to the components that affect the transmission of that gear. If all gears ring, it is often the fault of the constant meshing gear shaft or the lack of oil in the transmission. Whether it is related to specific actions, such as upshift, downshift, starting, sudden acceleration, sudden deceleration, turning, etc., are effective means to judge abnormal sound, among which changing speed and direction is particularly important for judging rear axle failure.

if the abnormal sound of the transmission is obvious, it is still recommended to send it to a professional repair shop to check the faulty parts and then replace them.

3. Abnormal noise in the door

Symptoms: There is always some abnormal noise in a certain part of the car body when you step on the accelerator or brake while driving, which is not loud and does not affect normal driving, but it always makes people a little worried about where something is wrong.

solution:

the abnormal sound of the door is mainly caused by the lack of lubrication, but it is necessary to judge whether it is the hinge position of the door or the glass lifter, door lock mechanism and handle mechanism inside the door. In the case of door hinges or stoppers, special grease for door hinges and slideways can be used, while special grease for door accessories can be used for lubrication of glass lifter, door lock mechanism and handle mechanism inside the door. Try to choose the brands commonly used in 4S stores, such as Krupp, Hutou HOTOLUBE and Flowserve. It is not advisable to use engine oil or ordinary butter, which will freeze in winter and the harmful smell will affect your health.