air conditioning is making a clicking noise when its turned on
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2006 Infiniti QX56 Question: AC noise on 2006 QX56
Answer #1DaveJHM February 20, 2011, 20:36Master
It can make a click noise as the compressor engages at first; it can make a tick as the compressor cycles on and off. If you're hearing ticking continuously, or if the click is frequent, then you may have a low charge of refrigerant that could use testing.