故障现象 一辆大霸王子弹头旅行车,发动机启动后,只要一转动方向盘,就能听到“咔吱”异响。 故障分析与判断 转动方向盘时,动力转向系统中的油泵就会负荷(背力)工作,不转方向盘,油泵好比空转不背力,背力时异响,分析可能是助力泵故障。为进一步 Symptoms A bully Prince bullet station wagon, the engine starts, as long as a turn the steering wheel, you can hear “cracking” abnormal sound. Failure Analysis and Judgment When turning the steering wheel, the pump in the power steering system will work under load (back force) without turning the steering wheel. The oil pump is better than idling without back force and abnormal noise when back force, and the analysis may help pump failure. For further