故障现象 ●一辆皇冠3.0轿车,只要发动机一启动,前端就“嗷嗷”直叫,噪音随油门加大而加大。 故障分析与判断 我们打开发动机罩盖进一步听诊,明显感觉是发动机前端转动件发响。用专用听诊器(亦可用长金属起子)听诊,判断是转向助力泵发响。电话咨询丰田特约维修站,维修站告知助力泵发响只能更换总成,报价约3000元。既然有卖的,我们索性大胆 Symptoms ● a crown 3.0 sedan, as long as the engine starts, the front end “嗷 嗷” straightforward, the noise increases with the accelerator increases. Failure Analysis and Judgment We open the hood to further auscultation, the obvious feeling is the engine front rotating pieces sounding. With a dedicated stethoscope (also available long metal screwdriver) auscultation, to determine the steering booster pump sound. Telephone consultation Toyota special maintenance station, repair station told the booster pump can only replace the assembly, offer about 3,000 yuan. Since there are selling, we simply bold