Car Air Conditioner Hissing
Car Air Conditioner Hissing . It could be the sound of refrigerant gas in your expansion valve, for example. One source of a hissing noise could be the expansion valve. Mini Electric Car Fan Low Noise 12V auto car air Conditioner 360 Degree from www.aliexpress.com The most serious problem that may cause a hissing sound to emit from the air conditioner is too much internal pressure in the compressor. Then use a leak dye light (black light) and check. Otherwise, manufacturers may conceal the unit beneath the glove.