Question about 1998 Ford Mustang

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198 mustang 3.8L, temp gauge showing hot took out thermostat

198 mustang 3.8L, temp gauge showing hot. Took out thermostat, still overheating. Water seems to be flowing through upper hose.



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  • 3 more comments 
  • droook Apr 18, 2009

    Hello,



    The fan is working. Is it possible that the heater core could be cloged and cause the overheating?



    David

  • droook Apr 18, 2009

    Hello,



    The check engine light is on as well, engine runs great, no other signs of troubles.



    David

  • droook Apr 18, 2009

    HELLO,



    How do I determine if the radiator is bad? How do I determine if the heater core is bad?



    David

  • droook Apr 18, 2009

    Hello,



    The car was store through the winter in my garage. I am trying to avoid having it towed, since I live in a remote area.



    Is it possible that a auto store rents a diagnostic tool that can id the problem, since the check engine light is on.



    David

  • droook Apr 18, 2009

    Hello,



    If the radiator is bad, would it leak out all the cooling fluid?



    David

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  • Master
  • 3,614 Answers

Hi there

When the engine is running hot and the radiator fan should be on, check for 12 volts to the fan. If there is no voltage, there is a relay or sensor that has failed. If there is voltage, then the fan motor needs replacing.

Hope this initial info/ideas helps.

micro

Posted on Apr 18, 2009

  • 3 more comments 
  • micromaster
    micromaster Apr 18, 2009

    Check the operation of your main radiator cooling
    fans. If these fans fail the car's self diagnostic program can not see the problem.
    Replace the radiator cooling fans to repair as needed, recheck system.

  • micromaster
    micromaster Apr 18, 2009

    yes it s also possible that this one is causing the problem, & also dont set aside a radiator that failed causing
    the engine to overheat and blown the head gaskets. This is a common problem with
    cars today, the radiator tanks are made of plastic so when they fail it causes other
    problems. Today's automobile should replace the radiator every 4 years to help stop
    catastrophic engine failure.

  • micromaster
    micromaster Apr 18, 2009

    the car is overheating & this was the sign that either of this part has failed,

    i will advise you tht bring the unit to the car service near your place, this will not be easy with you to do the work you need to check the radiator itself ○& the all the linings connected to it.

  • micromaster
    micromaster Apr 18, 2009

    There is a temporary fix that is relatively easy to perform. There are
    two heater hoses, one in and one out to the heater core. We would recommend, "looping"
    the two heater hoses taking the heater core out of the system. Do not plug the hoses.

  • micromaster
    micromaster Apr 18, 2009

    just let me know how things get done.. but you have an option to hire a mechanic than get the diagnostic tools,

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