Compared with the gasoline engine, diesel engine abnormal sound diagnosis is more difficult to grasp, this is decided by the structure characteristics and working characteristics of the diesel engine, such as compression ratio, thermal load, work is relatively rough, big noise, broken oil cannot instantly, and even some diesel oil at the opening of the position of the people not easy to close, to the diagnosis of abnormal noise also brings inconvenience. However, the abnormal sound of the diesel engine has its specific rules, as long as the analysis and comparison, look at the phenomenon of grasping the essence, it is possible to find out its regularity.
Baotou North heavy duty truck parts fan belt slipping
The engine is running, the occasional sound of high frequency, sharp and continuous “squeak -” sound, emergency refueling, the sound is more prominent, which is caused by the wheel skid belt.
The reason
Baotou North heavy duty truck accessories fan or air pump belt tension is not enough.
Baotou North Heavy Duty Truck Parts belt is not used for a long time to be replaced in a timely manner.
The diagnosis and treatment methods
If in the car running in a “squeak -” sound, the clutch pedal and throttle light, sound mutation varies with speed, can be considered the belt slipping.
Turn off the fire, use the finger to press the belt, sinking more than 15mm, for the belt too loose, should be adjusted.