The Dongfeng 330 car started with a chirping sound

Could it be the sound of the engine belt?

Open the hood and check if the sound is caused by the slippery rubbing of the belt after the ignition is started (you can pour a bottle of water on the running belt, and the sound will disappear immediately);

If it is indeed the sound of the belt, check whether the belt is loose (or whether it has not been adjusted well after installing and disassembling the water pump or generator recently), the belt tensioner fails, the belt is worn, etc.;

If it is a chirping sound emitted by other parts of the engine, it depends on which part is emitted, and then it is judged and investigated.

1. Abnormal engine noise Symptom description: There will be more abnormal noise in the engine compartment, and most people also judge that it is the abnormal noise of the engine compartment based on the sound, which is usually a metal screech or wind howling noise. Workaround:

Abnormal engine noise indicates that the technical status of a certain mechanism of the engine has changed. It is mainly caused by excessive wear and tear of some parts or improper assembly and adjustment. Some abnormal noises can still predict that the engine will be damaged accidentally, so when the engine has abnormal noise, it should be repaired in time to prevent the fault from expanding.

It should be reminded that if it is an abnormal noise in the engine, most of the owners will not be able to solve it by themselves, and it is best to send it to the factory for maintenance. 2. The gearbox has abnormal noise Symptom description: If there is a "rustle" sound inside the gearbox during driving, and there is no more after stepping on the clutch or accelerator, there will be a similar whistling sound when changing gears.

Solution: There are many transmission parts, and the reasons for the sound are more complex, so we should pay attention to whether it is related to a specific speed, such as some planetary teeth that sound at about 50km h.

Whether it is related to certain gears, which is very important for judging the failure of the transmission, if a certain gear sounds, it must be related to the components that affect the transmission of the gear; If all gears sound, it is often a common meshing shaft failure or a lack of oil in the transmission. Whether it is related to specific actions, such as increasing and decreasing gears, starting, rapid acceleration, sharp deceleration, turning, etc., are effective means to judge abnormal noise, among them, changing speed and direction are particularly important for judging the rear axle fault. If the abnormal noise of the transmission is obvious, it is recommended to send it to a professional repair shop to check the faulty parts, and then replace them.

3. There is an abnormal sound in the door Symptom description: When driving on the accelerator or brake, there is always some abnormal noise in a certain part of the body, the sound is not loud, and it does not affect normal driving, but it always makes people worry that there is a malfunction. Workaround:

The abnormal noise of the door is mainly caused by the lack of lubrication, but it is necessary to determine whether it is the position of the door hinge or the glass regulator, door lock mechanism, handle mechanism, etc. inside the door. In the case of door hinges or limiters, special door hinges and slide grease can be used, while special door attachment grease is used for lubrication of glass regulators, door locking mechanisms, handle mechanisms, etc. inside the door. In terms of brand selection, try to choose the commonly used brands in 4S stores, such as Kruber, Hotolube, Fox, etc.

It is not advisable to use engine oil or ordinary butter, it will freeze in winter, and the harmful smell will affect your health.

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Dongfeng Feng 330 has an idling sound when walking, which may be due to the following reasons:1Clutch Issues:

Worn clutch plates or deformed clutch pressure plates can cause the clutch to shake or slip and cause an idling sound. 2.Propeller shaft issues:

Wear of the universal joint of the propeller shaft or bending of the propeller shaft itself can cause the propeller shaft to vibrate, resulting in an idling sound. 3.Transmission issues:

The transmission oil level is too low or the high sock gearbox parts are worn, etc., which will cause the transmission to idle, resulting in an idling sound. 4.Engine Problems:

Engine failures, loose cylinder blocks, or excessive valve clearance in agitators can also cause the engine to idle sound.

If your vehicle has an idling sound, it is recommended that you immediately go to a professional auto repair shop for inspection and maintenance to avoid affecting the safety of changing the vehicle. In the usual daily driving, attention should be paid to maintaining the regular maintenance of the vehicle and replacing the wearing parts in time to reduce the probability of vehicle failure.

1 Valve leakage.

Valve leaks sound outside the valve door. The main reason is that when the valve seat is reamed, due to improper operation or excessive wear of the inner hole of the valve guide, the valve seat is skewed or the valve clearance is small, resulting in valve ablation and poor valve closure and air leakage.

Solution: Remove the cylinder head, grind the valves, check the valve spring elasticity, and readjust the valve clearance.

2 The valve is banging.

When the engine is idling, there is a continuous knocking sound between the tail end of the valve stem and its driving parts, which increases with the increase of speed, and the sound does not change when the engine temperature changes or when the fire is off.

Hello, this requires you to carry out a major cleaning, cleaning the oil circuit, cleaning the carbon deposits in the inlet tract.

1. Due to the low speed when reversing, some "abnormal noises" that may be "difficult to hear" may be easier to hear at this time, such as the abnormal sound of the door (loose hinges, loose wear, etc.), and the abnormal noise of other structural components.

2. Abnormal noise inside the transmission body, which depends on the actual specific situation, bulk maintenance, the owner is not familiar with the situation and recommends after-sales maintenance.

3. When the manual gear is manual, it may be the clutch system that causes "abnormal noise". Such as master pumps, sub-pumps, and transmission mechanisms.

4. The clutch release bearing or the guide bearing of the flywheel can also cause "squeaky noise".

5. The "abnormal noise" caused by the manual gear changing mechanism.

6. Chassis parts, especially the connection of some plastic parts, rubber sleeves, ball joint parts such as rubber, etc., are caused by aging, cracking, looseness and other phenomena, such as "squeak" abnormal sound.

7. There is an abnormal sound caused by the looseness of the structural parts of the car seat and the looseness of a certain component.

8. It does not exclude the "abnormal sound" or "abnormal noise" caused by other aspects.

The final result shall be subject to the actual vehicle test result.

The sound of the brake pads Driving forward for a long time The brake pads will have the direction of friction Reversing is in the opposite direction, of course, there is a sound If you want to solve it, you can remove the brake pads and touch them with sandpaper [If the car has a problem, ask the car master. 4S shop professional technician, 10 minutes to solve. 】

My car too, do you have a solution?