Question about 1999 Oldsmobile Aurora

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Could you tell me where the sensor coolant temp bwd 5012767 at

Has been runing hot in slow traffic, but on open road it runs ok. had the fans check not that, tell us that this part made do it but no one knows where it goes.

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  • Anonymous Dec 23, 2008

    i cant find the coolant temp sensor for jeep grand cherooke1994

  • Anonymous Jan 02, 2009

    I have the same problem with mine but I don't know whats going on.

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  • Oldsmobile Master
  • 5,568 Answers

Old messages but . . .
You might want to check your coolant for bubbles; you could have a blown headgasket between the engine's water jacket and a cylinder.  If the gasket fails this way, it will force hot gases into the coolant path that will cause this rapid and intense heating.  The gasket does not have to be failed much to cause this and the early stages won't cause a cylinder to misfire but on cooling, the coolant can enter the cylinder and produce misfires for a few seconds when first started and this can show up as a fouling of one plug which can even show signs of rust if examined. 
Also, check your oil dipstick for the color of your oil; it shouldn't look like Jergens lotion. At the same time, look into the coolant bottle to see what it looks like since a failed gasket can also cause oil to leak into the coolant.


For the Jeep owner; there were three different engines for that vehicle and you didn't tell us which you have so that could be why you received no answer. They are all located in different areas.

Posted on Mar 11, 2009

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