Question about 2000 Jeep Grand Cherokee

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Electric fan not working - 2000 Jeep Grand Cherokee

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  • Beau Brady Nov 01, 2008

    With my 1999, the relay for the fan proved to be the culprit

  • Tina Robinson Nov 01, 2008

    I have replaced the thermostat and both relay switches for the fan and it still does not work. it overheats when idling.

  • jderekharris Nov 08, 2008

    bored the radiator,replaced thermostat & relay ...still overheats..a mystery

  • tinabeth7887 Nov 18, 2008

    Overheating when idling. Have purchased new relay fan but cannot locate it exactly. All instructions and diagrams are too vague. Any suggestions?

  • pokey96ll Nov 27, 2008

    fan not working and overheating while idle. need to find were relay is. is the thermostat that sends sig to gauge turn on da fan?



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The fan relay is in a wierd spot. I had to drop the bumber and take my passenger head light, then pull out the battery and the assemly to hold it up. That is the only way to see it bolted on the frame below the head light on the passenger side. I changed it but my problem the whole time was the fan. Don't just by the motor though, for some reason they never hold up after taking them apart. Best to buy the whole assembly if you have to replace it.

Posted on Dec 05, 2008

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Bad relay, bad sensor, bad fuse.

Posted on Oct 17, 2008


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Hi, Im AL the owner of Big As Auto Repair.

If your 1999 Durango has a mechanical fan and an electric fan then this is what they are used for. The mechanical fan should you have one is used for the engine coolant to keep the engine from overheating. While the electric fan is used for the A/C System to keep the pressure from getting to high and damaging the A/C Compressor. NOTE: In this cases scenario with no relay the A/C system would not work properly. BUT, if you only have an electric fan then the engine would overheat because it works both systems. Hope this helps and please visit my auto-repair-website at:

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