Question about 2001 Jeep Grand Cherokee

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I have a 2001 Jeep GC cooling fan wont run. Motor runs on direct power, checked the 40 amp fuse under hood continuity is good,read your Q and A's sounds like a relay where is it? This is a 4.0L six

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  • larry herr Jul 14, 2010

    After searching for other solutions I found there is a cooling fan relay which is located under the passenger side headlight assy, fastened to fender well. Its not easy to get to, need to remove the fuse box, battery tray, headlight assy, could just reach the top screw used a chisle to cut the lower screw to remove relay.Installed new relay higher on fender well for easy access next time. This relay fixed my problem. also found that this relay could make fan run continuisly.

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The relay is under the headlight on the fender. My truck had someone (very cleverly) cut a square hole under the light assy. for easy access to the relay. I recomend using a small hole drill bit first. with a flashlight you will easily see it and know where to cut the larger hole.

Posted on Jul 15, 2010

  • DudaW Jul 15, 2010

    Let me clarify. cut the hole in the plastic in the depression on the left. Its a rectangle depression in the plastic big enough to get your hand in.

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  • Jeep Master
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Change the sensor in the cylinder head then it will all work .

Posted on Jul 13, 2010

  • larry herr Jul 13, 2010

    would this be the one on passenger side near firewall?

  • Colin Stickland
    Colin Stickland Jul 13, 2010

    to be honest i cannot remember ,i have a couple of customers with these petrol engines most have a diesel jeep with a manual gearbox ,but the other two are LPG gas conversions ,one i changed the radiator on had a switch in the rad but the later model doesnt have one ,this caused me a headache as i couldnt get the correct rad so i used a renault 4 rubber hose with the switch in the hose and joined it in with a couple of pieces of copper pipe ,yes i am a cowboy i know but when needs be ??.i remember changing a sensor on the front of the engine where the inlet manifold is though but at my age and it was a few years ago ?? a good lead is to see how many wires on teh sensor if it has 3 wires then that could be the one

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