Ac Not Engaging? - Air-Con / Heating (Mk1/Mk2 Mondeo) - TalkFord.com

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Ac Not Engaging?


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5 replies to this topic

#1 Amadeus

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Posted 18 January 2013 - 10:02 PM

I`m just asking that is there an temperature too cold that the AC won`t come on because I changed a new thermostat and a bit of coolant at the same time today. Eventually while waiting the car to heat up and to get the air out I started playing with the AC button and it didn`t do nothing. It didn`t put the fan on or lift the idling revs when I pressed the button, but atleast the light comes on in the button. :} On last years summer I refilled the system with new gas on work (750g) and it worked like a dream the whole summer, so atleast there should be gas and enough pressure for the magnetic switch to engage? Today I got off from the army for the weekend and started the car from -20 °C after two weeks of sitting in the parking lot and got home about four hours later with a new thermostat + O-ring. At the time I started wondering why the AC wouldn`t engage the air temperature was about -25 °C, so it`s pretty fu##ing cold in Finland right now. ::::

So anyone have any ideas of what`s going on... don`t say that I have a broken AC compressor or something else expensive?

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#2 stevieb12345

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Posted 18 January 2013 - 11:24 PM

The air con doesn't work at 4c or below.

#3 PRC Ghost Rider

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Posted 19 January 2013 - 06:14 AM

I really don't see why you'd want to turn on the air con below 4 degrees anyway. 25 below is fugging cold! Those heated seats and quick clear windscreen would be a godsend in the winter time I'd imagine

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#4 Gary D

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Posted 19 January 2013 - 10:00 AM

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I really don't see why you'd want to turn on the air con below 4 degrees anyway. 25 below is fugging cold! Those heated seats and quick clear windscreen would be a godsend in the winter time I'd imagine


It is great for demisting. Mondeos can be a bitch to demist without AC.
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#5 Amadeus

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Posted 19 January 2013 - 11:08 AM

I really don't see why you'd want to turn on the air con below 4 degrees anyway. 25 below is fugging cold! Those heated seats and quick clear windscreen would be a godsend in the winter time I'd imagine


Like I said I was only playing around and pressed the button for no reason. And yes, I do have heated seats and windscreen, but the drivers side heated seat doesn`t work and the windscreen has only few wires that heat up. :} But I´m glad to hear that it was only the temperature behind all this.

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Have to buy one of these to charge the battery properly while the car sits on a our garage.

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#6 idimidodjimi

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Posted 23 June 2013 - 01:05 PM

I have the same problem with my MK1 hatchback. Changed front bumper recently, and now outside temp light shows it's below 0! Where is outside temperature sensor, repairman probably forgot to reattach it. I know it's somewhere in front bumper, but can someone please indicate where exactly and how it looks like?






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