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案例25:老帕萨特1.8T空调时制冷时不制冷一辆2003年产的帕萨特1.8T轿车,行驶里程30万千米,01V自动变速器,空调时制冷时不制冷进厂维修。故障诊断:首先简单地说下该车的空调系统,装备的是带磁吸变排(50%与100%两种排量)自动空调,压缩机靠下(安装位置看)里面装有一个液压压力自动调节阀,在压缩机工作(磁吸吸着)的时候依据压缩机的压力调节压缩机每转输出的排量,减少磁吸的
Case 25: Old Passat 1.8T air-conditioning cooling when cooling a 2003 Passat 1.8T sedan, mileage 300000 km, 01V automatic transmission, air-conditioning refrigeration without cooling into the factory maintenance. Fault diagnosis: First of all, simply under the car’s air conditioning system, equipped with magnetic suction (50% and 100% displacement of two) automatic air conditioning, the compressor down (installed position) inside with a hydraulic Pressure automatic control valve, the compressor work (magnetic suction), according to the compressor pressure to adjust the output displacement of the compressor per turn to reduce the magnetic