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Ac/Radiator fan problem

2K views 6 replies 2 participants last post by  amc49 
#1 · (Edited)
So my engine cooling fan does not come on when the ac is turned on, it does come on when the engine reaches whatever temp its set to, so my air conditioning only works while I am driving because of ram air flow. Is there a relay or anything I can check? The fan has 4 wires going into it, I assume one speed for the ac and another speed for the engine cooling. I am good on coolant levels and the condenser kicks on. Any ideas before I tear into it? Thanks 2015 Versa SV sedan
 
#5 · (Edited)
Thank you for 100% confirming what I guessed at, about you not the car.

Don't confuse luck with skill.

I do all my own automotive a/c including compressor rebuilds and on the house too. You may well have fixed that fan for 10 cents worth of wire or 5 drops of oil, we'll never know now will we? I do stuff like that all day long. That fan likely has a speed limiting resistor in it (to get 2 speeds) and simply burned out, easily fixed in minutes. But not by you.

One fan speed (low) is for both a/c AND engine then they both go to high fan at a certain point, there are pressure and temp presets in software. Condensers never kick on, they are inert objects, you likely meant the compressor.

When you get to 50 years of a long stream of cars and never have paid ever for any repair on any of them you let me know, until then you would do well to learn more instead of opening your mouth.
 
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