rfcbuf Posted July 1, 2018 Share Posted July 1, 2018 2015 RX 350 air conditioner seems to cool erratically. Occasionally on super hot days, it won't work at all. What's going on? If I take it to the dealer it may work. Can the dealer determine why it dosn't cool on some days. What controls the cooling is it a thermostat that may be failing on occasion. Quote Link to comment Share on other sites More sharing options...
Brickwall Posted July 2, 2018 Share Posted July 2, 2018 Your dealership would be able to help you more and would definitely be able to figure it out. But, to me it sounds like you probably have a leak in your a/c system somewhere causing you to be just a little low on refrigerant, which could give you erratic operation based on ambient temperatures. The thermostat only controls engine temperature 😊 Quote Link to comment Share on other sites More sharing options...
glerobi Posted September 26, 2018 Share Posted September 26, 2018 On 7/2/2018 at 4:24 PM, Brickwall said: Your dealership would be able to help you more and would definitely be able to figure it out. But, to me it sounds like you probably have a leak in your a/c system somewhere causing you to be just a little low on refrigerant, which could give you erratic operation based on ambient temperatures. The thermostat only controls engine temperature 😊 There is another thermostat that controls the cabin air temperature. Quote Link to comment Share on other sites More sharing options...
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