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Engine cooling fan 900

Looking for some answers again. My '93 945 turbo is doing something that I believe is not right. On cold start up in the morning lately, I noticed when the car has been idling for about 1 min. the electric engine cooling fan has been turning on. To make things a little more interesting, on start up in the afternoon when the sun has been shining, it doesn't happen . I find this interesting, the way I understand things the fan shouldn't come on while the car is trying to warm itself up. Any explanations/ideas would be appreciated.
The car starts fine and seems to be running ok. Thanks in advance.








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    Engine cooling fan 900

    Do you have the defrost on in the morning?
    The A/C comes on with the defrost, which might turn on the fan.








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      Engine cooling fan 900

      Thanks for the quick response. Your answer was exactly right. My ac wasn't working last winter when I bought this car so the fan never kicked on before. I also thought since the contrller had the ac on/off button that I always controlled when the ac was on or off. I guess that I was wrong.

      Thanks again!







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