Weird fan issue

Discussion in 'General Motoring' started by Chopper, Mar 26, 2007.

  1. Chopper

    Chopper Guest

    I have a 97 outback with a 2.5L. I have been having some overheating
    issues with the vehicle. I checked fluid level, bubbles, etc. The t-
    stat, head gaskets, water pump, and hoses have all been replaced about
    15k miles ago. I started test driving and pulled over to check hose
    vacuum while the engine was overheating and noticed that neither fan
    was running. After returning home, i tested all relays and they
    seemed to work fine. The last thing i checked was the sub-fan. With
    the car idling, i turned on the A/C and both fans started right up.
    After cursing a few times and kicking the tire, I turned to the

    Why will the fan come on when the A/C is engaged, but not when the car
    is overheating???

    I hope someone knows what is going on.
    Chopper, Mar 26, 2007
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