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List of contents of this article:

• 1,There is a resonance abnormal sound after the engine lower guard plate, how to break it
• 2 
  、 What is the reason for the sound of FAW engine guard?
• 3, How to solve the resonance of the engine guard
• 4, The engine noise is loud. When the vehicle steps on the accelerator pedal in place, there is a strange sound of "rumble, rumble", and there is a strange sound in the engine compartment...

There is a resonance sound after the engine lower guard, how to break

Install a thicker silicone ring on each mounting screw of the guard plate, which will be effective. In addition, a shock absorber pad for car soundproofing can be attached to the surface of the guard plate, which can prevent the guard plate itself from vibrating and sounding.

It may be that the screw is loose or the screw is lost. Just put the guard plate screw down and tighten it firmly. And if the guard plate is thin, it will also cause vibration. You can add a damping block or install the guard plate firmly.

If you often hear a strange sound like the position of the air intake grille. In addition to the fact that the grille is really loose, the owner still needs to check whether the engine guard screw is loose. Or the engine guard and negative are loose, causing abnormal noise.

In this case, the car owner needs to go to the maintenance site for maintenance as soon as possible. Finally, the abnormal sound may be caused by the falling off of the guard. If the engine guard plate falls off, there will be friction between the guard plate and the engine, resulting in an abnormal sound. In this case, the owner needs to contact the garage to repair the guard or replace the new guard as soon as possible.

There are many reasons for the abnormal sound of automobile generators. Motor bearings, belts and brushes will all sound, so you have to know which sound to solve it. There is a high probability of bearing noise, the most common of this kind of failure is bearing noise.

What is the reason for the sound of FAW engine guard?

1. If the noise is loud after installation, it may be caused by the resonance of the protective plate and the engine during driving. Common engine protection plates are made of resin, steel and alloy steel. The resin engine guard is made of general-purpose resin, and some manufacturers who keep up with the times adopt a fully closed design.

2. For models equipped with turbocharged engines, there is bound to be a difference between the sound of the sound and the naturally aspirated engine; models equipped with engine guards may also make noise due to friction; some car owners are likely to be due to their lack of mechanical knowledge after contact with different cars. Reasonable abnormal sound is mistaken for a vehicle malfunction.

3. It is possible that the quality of the engine guard is not good or the installation is wrong. It is best to remove it, rinse the inside of the guard, and attach a layer of shock absorber, which is very effective.The engine guard is caused by the damage of the engine due to the impact of various different engines.

4. However, the biggest disadvantage of the metal guard is resonance and noise. If the chassis is really scratched, it is likely to cause deformation of the metal guard. If this is a necessary part, it will be installed in the original factory.

How to solve the resonance of the engine guard plate

1. Install a thicker silicone ring on each installation screw of the guard plate, which will have an effect. In addition, you can paste a shock-absorbing pad for car soundproofing on the surface of the guard plate, which can prevent The protective plate itself vibrates and makes a sound.

2. If the problem of resonance has not been solved, you should go to the 4s store for overall inspection and adjustment. It may involve comprehensive problems such as parts, joint processing and conditioning. It is recommended that the problem vehicle enter the station for inspection and maintenance as soon as possible.

3. If there is an engine resonance problem in the car, please go to the 4s store as soon as possible for overall inspection and adjustment of the car. The engine resonance involves comprehensive problems such as parts, joint processing and conditioning. It is recommended that the problem vehicle enter the station for inspection and maintenance as soon as possible.

4. First of all, replace the new engine foot mat, then adjust the connection point of the chassis Yuanbao beam, and then carry out a comprehensive maintenance of the engine as a whole. Finally, the front axle of the engine should be treated with sound reduction and shock absorption, which can reduce the engine resonance.

5. Joint processing, adjustment and other comprehensive problems, but we also have some ways to reduce resonance: replace the engine foot mat to reduce resonance; adjust the chassis ingot beam connection point to reduce resonance; carry out overall maintenance of the engine to reduce the resonance caused by working conditions; soundproof and vibration damping of the engine front axle. Reason, reduce the resonance.

The engine is noisy. When the vehicle steps on the acceleration pedal in place, there is a "rumble, rumble" abnormal sound, and there is a...

1. Cause analysis: When lifting the vehicle, you can see the bottom guard of the engine with bumps. If there are obstacles on the road and you force it, the bottom guard of the engine will be bumped. After the bottom guard plate is deformed, it becomes closer to the engine oil pan. If the distance is too close, when the oil pan collides with the bottom guard when accelerating, it will make a strange sound and make the car body vibrate.

2. The engine underguard screw is loose. A relatively common minor fault, tightening or adjusting the under-engine guard screw. The engine claw pad is aging. The claw pad plays a role in supporting the engine, and can only be replaced after aging.The plastic parts in the engine compartment are loose. For example, the engine cover, intake pipe, etc., just tighten it.

3. The reason is very simple. One of the main functions of the door seal is to seal the vehicle and prevent too much wind noise from entering the cabin. The door seal is also made of rubber, which will harden after a long time. After hardening, of course, it can't stop the air leakage.

4. Check whether the accessories driven by the belt are damaged, stuck, loose or the power of the accessories is large. Replace the belt, or polish the joint surface of the pulley and the belt with No. 100 gauze (just sand it gently).

5. Hello, is the foot glue on the engine rotten? Bearings and water pumps, etc., I hope to help you.

6. There are still many reasons for this failure. If there is no problem with the vehicle running, the power has not changed.The biggest possibility is that there is a problem with the engine foot. The rubber will be damaged by aging, and the noise reduction cannot be effectively reduced. The engine vibration directly transmits the cockpit.