The reason why the engine compartment of a highway emergency vehicle is causing abnormal noise is also relatively many. Most of the old drivers will rely on the origin of the sound to judge that the noise is coming from the engine compartment of the highway emergency vehicle . Under normal circumstances, There will be some whistling sounds and harsh metal sounds. Then, if there are abnormal noises in the engine room, most of them are relatively harsh belt sounds. This sound is mostly caused by the slippage of the belt of the vehicle. If the engine is in operation, the more harsh sound of metal dry friction occurs, most of them are in the steering resistance pump bearings, generators, pumps have failed. If the engine is running, there has been a leak sound, it may leave the vacuum tube breaks, leaks, exhaust system congestion.

When the engine of a highway emergency vehicle has an abnormal first move, it is a technical failure that represents a certain system in the vehicle. The main reason is that some parts have worn out, or are caused by improper operation during adjustment and assembly. Some abnormal soundings may also provide a pre-alarm for the engine of a highway emergency vehicle. If there is such a situation, it should be repaired in a timely manner to prevent the fault from getting worse. When doing maintenance, it is best to go to a professional repair for maintenance.  

If the engine guard plate of the highway emergency vehicle is installed for some days, after the driver has driven to the road conditions in some suburbs, when the asphalt pavement surface is returned to, there will be an abnormal ringing of the guard plate. The screws used on parts and components often cannot avoid shifting under long-time operation. If you hear sounds in the air intake barrier, except that the grille has loosened. In addition, the driver still needs to check whether the engine's guard screws are not tight. The occurrence of loosening of the film and guard plate of the highway emergency vehicle will also lead to the occurrence of abnormalities. In addition to the need to tighten the screws, some cardboard or the like may be laid on the sounded area. Items, which can effectively eliminate the noise.

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