汽車空調有異響像蛐蛐叫不製冷可能存在的問題是:
1.汽車空調壓縮機出現故障，就會出現異響和不製冷的可能。
2.空調管路如果有異物發生堵塞，也會導致異響和製冷效果下降。
3.空調濾芯長時間不更換，過髒有異物造成堵塞。
汽車空調關鍵零部件壓縮機的保養
1.檢查冷凍劑是否足夠，可通過感覺乾燥器的入門管路和出口管路之間的溫度差來估量，或者通過歧管壓力錶進行檢測。
2.要經常清潔出風口和駕駛室內的灰塵與污垢。這不僅有助汽車的美觀，而且對駕駛員和乘客的身體健康是有益的。
3.定期檢查空調系統製冷劑的液面高度是否正常。檢查液面高度的方法有好幾種，但最常見的而且最管單的方法就是利用千燥器的窺視孔檢查。
4.檢查壓縮機皮帶是否良好。如果皮帶表面與皮帶輪槽接觸側面光亮，並且啟動空調時有“吱吱”的噪音說明皮帶打滑嚴重應更換皮帶和皮帶輪，如果皮帶過松應給予調整，否則易使空調系統製冷不良
5.檢查空調系統軟管和管接頭是否有油蹟。如發現滲漏，應及時向維修處諮詢解決方法。
6.汽車空調換季初次使用時，最好對空調系統進行殺菌除臭處理，這是因為空調系統長期“休假”會滋生真菌和黴菌，它不但使空氣發出難聞的囊臭味，而且對車內人員的健康有害。這項工作可以到修理廠進行，也可以自購殺菌除臭專用噴劑自行處理。
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The possible problems with a car air conditioner that has a strange sound like crickets and does not make cold are
1. If the compressor of your car air conditioner is faulty, there will be a strange noise and no cooling.
2. If there is a blockage in the air conditioning pipeline, it will also lead to strange noise and reduced cooling effect.
3. If the air conditioning filter is not replaced for a long time, it may become clogged with foreign substances.
Maintenance of the compressor, a key component of the air conditioner
1. Check whether the refrigerant is sufficient by feeling the temperature difference between the inlet and outlet lines of the dryer, or by checking the manifold pressure gauge.
2. Clean dust and dirt from the air vents and the cabin regularly. This not only contributes to the aesthetic appearance of the vehicle, but is also beneficial to the health of the driver and passengers.
3. Regularly check the refrigerant level of the air conditioning system to ensure that it is normal. There are several ways to check the level, but the most common and simple method is to use the peephole in the air dryer.
4. Check that the compressor belt is in good condition. If the belt surface and belt wheel groove contact side is bright, and there is a "squeaking" noise when starting the air conditioner, the belt should be replaced and the belt wheel should be adjusted if the belt is too loose, otherwise it is easy to make the air conditioning system poor cooling.
5. Check the air conditioning system hoses and pipe joints for oil leaks. If leaks are found, consult the service department for a solution in a timely manner.
6. When using the air-conditioning system for the first time in a new season, it is advisable to carry out sterilisation and deodorisation treatment on the air-conditioning system, as the air-conditioning system will breed fungi and mould after a long "holiday". This can be done at a garage or you can buy your own deodorising spray.
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