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冷车启动开空调异响
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冷车启动开空调异响

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ringtina

 
 
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2009-05-23
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冷车启动开空调异响,等车热了就没有了,求助怎么解决
 
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ans9977

 
 
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这是正常的,汽车一打开空调,风扇就会旋转,一般汽车有两个风扇,一个散热器一个冷凝器;控制风扇的是压力开关中的中压开关,例如压力到1.47时中压开关动作使冷凝风扇高速运转 打开空调后,就是压缩机开始工作,它把冷凝剂压缩为液体后,冷凝剂的温度就会升高,如果不把这部分热量排放掉,就没法进行下一循环的制冷工作,所以,就必须通过散热器使之散放到大气中去,而散热器自然散热效果很差,又所以,打开风扇,强制散热。
 
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ringtina

 
 
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不是正常的响声,像拖拉机哒哒哒的,但车热了就没了,去外面修理店说要换皮带、皮带轮、清洗节气门、喷油嘴、进气管,反正一大堆,就想看看有没有车友遇到这种问题
 
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