Question about 1997 Saturn SW

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Cooling Fan Not Working

The cooling fan no longer appears to be working on my 1997 SW1 Saturn. It gets hot while at idle and overheated today. No problems when driving on the freeway or moving etc.

Checked for a fuse and could not locate one in the fuse box. Is there a simple fix I can deal with or should I take it to the shop?

Thanks

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  • captjob Mar 11, 2009

    Hi Emissionwiz,

    Thank you for the answer. Yes, the fan comes on when the A/C is activated. I disconnected what I thought was the fan sensor on the engine and it (the fan) did not come on. It seems to be running only with A/C on.

    Any ideas?

    Thanks



  • captjob Mar 11, 2009

    I let the car run on idle for 30 minutes in the driveway. It overheated again with no fan activation. As soon as I turned the A/C on, the cooling fan activated and the car cooled of again. Seems the fan only works when the A/C is running. Does this rule out the relay?

    Thanks


  • captjob Mar 11, 2009

    Yes, the engine cools right away after the A/C is turned on. I found both relays. I will replace the engine sensor and see what happens.

    Thanks for all your help.



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  • Saturn Master
  • 63,661 Answers

FIRST THING TO DO IS DISCONNECT THE FANS SENSOR ON THE ENGINE, THIS WILL THROW THE FAN INTO DEFAULT AND IT SHOULD COME ON, IF IT DOESN'T EITHER THE FAN MOTOR IS DEFECTIVE OR THE RELAY IS DEFECTIVE, OR BOTH, A SHORTED MOTOR WILL FRY A RELAY. DOES IT COME ON WITH THE AC TURNED ON?

Posted on Mar 11, 2009

  • 4 more comments 
  • yadayada
    yadayada Mar 11, 2009

    Did u let the engine reach at least 225 Deg's Fahrenheit? that is what it takes to make the cooling fans kick in, that is about 3/4 of the temp guage scale, getting pretty close to what most people think is overheating, but it isn't, had dozen's of cars in the shop for complaints of no cooling fan, it was very rarely the fan did not work, the customer just thought it should come on sooner like about 1/2 way on the gauge. I am a Ford dealer tech of 30 years.

  • yadayada
    yadayada Mar 11, 2009

    The relay should be ok, but I would replace the fan sensor on the engine, does it cool down right away when the AC is running the cooling fan?

  • yadayada
    yadayada Mar 11, 2009

    the fan relays are on the firewall near the brake master cylinder, there may be 2 of them, have not worked on your year of escort for 10 years.

  • portsmouth_r Jun 02, 2011

    i have the same problem with mine what do i do

  • yadayada
    yadayada Jun 02, 2011

    Follow the instruction I gave two years ago in my solution.

  • mems2014 Sep 18, 2011

    where is the fan sensor on the engine

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