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When my A/C compressor operates, the engine cooling fan operates along with it. OK, normal.

 

Alright now when I'm cruising down the road using the A/C, does the engine cooling fan still operate in concert with the compressor?

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Damn, this is so simple... Why don't you get out and check??? :brow:

 

That is one diagram I didn't download when I had my alldata account. But, I am relatively sure that the fan is turned on via the A/C or defroster switch.

 

Good idea if you are stuck in traffic and it's hot out to turn on the A/C, which will keep the fan running.

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Thanks Tiny.

 

My question arises from the fact that the A/C fans:

 

1. Wear out.

2. Are huge resource hogs.

3. Are not nesessary at speeds above 25mph / 40kph.

 

It bugs me to think that the fans may be running in concert with the A/C compressor when I'm cruising on the highway. Is it possible that someone knows the answer to this question?

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So if you are driving 50 MPH, the wind speed is bogging down your fans, and the fans are blocking the forcible wind to the radiator.

 

I am pretty sure my 93 Impreza's fans don't continuously run with the A/C on. Maybe it does, in 6 years I may have never realized it.

 

 

MAX

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