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故障现象北京大切诺基(BJ4700)驾驶或副驾驶侧无暖风。故障原因空调混合风门驱动轴破裂松动(图1),混合风门卡死,混合风
Symptoms Beijing Grand Cherokee (BJ4700) driving or co-pilot side without heating. Reason for failure air-conditioning hybrid throttle drive shaft rupture loose (Figure 1), mixed throttle stuck, mixed air