Question about 2002 Lincoln LS

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I have a '02 Lincoln Ls with 77k miles. Since last July (08) driving home on highway it started overheating. Took it to my regular mechanic as check engine light was on and he told me that I had a blown head gasket. Apprently, the computer told him that there was a misfire in one of the cylinders. Took it to second mechanic... He tested the block and determined that there was no blow head gasket. Replaced the hydrulic fan, changed hydrulic fluid/oil, serviced the cooling system, changed the thermostat and basically told me it has him baffled. He could not find anything wrong with the car! Took it to the local FORD dealer, (yesterday) was told that there was a air pocket in the cooling system so they bled the system. It did not fix the problem. The car is still overheating. Yet it is only intermittent, and no check engine light appears. I have put alot of money into this car and still have the problem. I can tell when it's going to overheat as there is distinct sound like a whining noise from the fan area and boom it overheats. I have to pull over or turn on the heating system to help bring the temp down. Today it happened on the highway I pulled over, turned the car off, waited 5 minutes and the cars temp was back in the normal range. I am completely frustrated and need help. Any help you can give me would be so appreciated. Thanks

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  • cisneros559 May 08, 2009

    Sorry I wasn't trying to be rude...

  • Anonymous May 08, 2009

    Yes, theromostat was changed... System flushed, you name it we've done it....

  • Dennis Mulvihill May 13, 2009

    Same problem and more!!!!!!!!!

  • cisneros559 May 25, 2009

    Thanks for the input. Have it at my 4th mechanic, and he's looking into the h20 pump . However, it's been at his shop for going on the 3rd week, I guess no news is good news?

  • Samuel Charles Spriggs May 11, 2010

    It sounds like the thermostat could be sticking. Has anyone checked/replaced your thermostat? If yes, I'll ponder some more.

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Guys it is the heat sensor part # TS465 Google it and you shall find it. The tempurature jumps to hot then to low. Shut the car off and just minutes later it is back to normal, does this not send up a red flag that it is a false alarm. The car slows down (reduced power) as a safety cause computer recieves a false signal telling it that it has gotten hot.. I can't believe so many could have the same problem and still spend hundrreds trying to fix something that can be done by themselves for under $20..

Posted on May 27, 2009

  • mylincolnls Oct 11, 2010

    ok we have changed the thermostate, hydrolic fan, valve cover gasket, along with 5 of 8 coils, flushed the system, change the heating sensor and the car is still overheating, ok now what

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On the 02 3.9L engines and earlier. They have a plastic blade on the water pump that over time will either break or spin on the shaft causing insuffient water flow i would really look into it. they sell an updated pump that the blade is metal. very common problem

Posted on May 24, 2009

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Well boss man i got a lincoln ls and i have similar problem but when im on the highway on the dash were the park reverse light goes a letter e would come up so i change my transmission and it fixed the problem but now after 1 year the problem is back but now my car wont start
if anything email me at areyouserious6@yahoo.com

Posted on Jun 24, 2009

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Ok theres no way you wont know if its a blown gasket there will be steam and oil coming out the front of your engine it wont be driveable, sorry couldnt be more help

Posted on May 08, 2009

  • marley mcelhinney May 08, 2009

    i wasnt havin a go mate i was jus trying to help, figure it out yourself then

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Posted on Jan 02, 2017

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SOURCE: Similar problem on a '04

A little old but if you havent found your answer yet, I would diffently look up a forum called - www.lincolnvscadillac.com - Great group of guys/techs and will give you a solution within a hour or less of posting the problem - Just tell them I sent ya, and you will be golden!! Hope this Helps!

Posted on Jun 10, 2009

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