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Does A/C compressor run constantly, whether switched on or not?

Messages
3
Likes
0
City
Parker
State
CO
Country
United States
What I Drive
2014 Focus SE hatch
#1
I was told the A/C compressor on my 2014 SE runs all the time, whether switched on or not. Where it's located beneath the crankshaft pulley, I can't see if the clutch is actually engaged when running, unless I drop the belly pan. I know some cars with complex automatic climate control systems run their compressor all the time--especially luxury ones with large engines--but I was surprised to hear the 2.0 car with simple, manual A/C would. I'm not curious enough to jack up the car and undo the pan today, but I would like to know if all the time I drive with A/C 'off,' thinking I'm being economical, I'm just fooling myself!
 

kodpkd

New Member
Messages
13
Likes
4
City
Loveland
State
CO
Country
United States
What I Drive
2014 focus
#2
I wondered the same thing on my 2013. I have tried to see if I can hear or feel it coming on but I can't. I also tested it for fuel mileage and can't tell the difference. I think go for it and have it on when you need it.
 

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