Question about 1999 Oldsmobile Aurora

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My 1999 aurora tends to over heat when not moving traffic or idle

Alright, I have replaced the radator, The water pump and belt. the thermastat. I did notice that the fans are not kicking on at idle! Does anyone know where the temp sensor is on this car? I checked fuses under hood they are good! I think. At cruiseing speed the temp is fine. But if you hit traffic within 5 minutes the temp keeps rising!!
Any suggestions?

Thanks so much!

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  • Tim Jun 04, 2009

    Thanks I will check! I did not see any connectors near the radiator hose on first inspection! But I will check it again and see if i can locate it! do you think it would be near the block or the radiator itself?

    Thanks Again!

  • smartwrench1 May 11, 2010

    what engine is inthe car is it a 4.6l



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The temp sensor for the fan is along the radiator hose. You should see wires coming out from it. If you pull out the sensor from its plug, the radiator fan should turn on and if it does not then the fan could be faulty. Or the fan may be weak in blowing air in

Posted on Jun 04, 2009

  • Nicolo Carlo Parazo Jun 04, 2009

    It should be near the block rather than the radiator. There are two hoses to and from the radiator. Most of the cars have it located on the bottom hose.


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The coolent temp sensor is on the intake near were the rad hose conects . unplue it and jump the concter turn the key on and the fan should run . if it does go get a temp sensor if not it could be the fan relay or the fan motor its self

Posted on Jun 04, 2009


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