Question about 2002 Cadillac Eldorado

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How do you get the check coolent light off when it isa fixed

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  • yadayada
    yadayada May 11, 2010

    if the coolant light is on it is not fixed

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  • Cadillac Master
  • 17,970 Answers

Check your coolant level sensor, its possible that be wrong; I have a similar problem and clean the plug connector I solve it. If this dont fix the problem, its possible that you have bad this sensor.

Tell us news.

Posted on Apr 29, 2010

  • ZJ Limited
    ZJ Limited May 11, 2010

    It can take several heating and cooling cycles to get the coolant level
    stabilized at approximately 2 or 3 inches down from the filler neck
    (cold). There has to be room for expansion.


    The level sensor cannot be repaired; the complete reservoir has to be
    replaced.

    Good luck.


  • ZJ Limited
    ZJ Limited May 11, 2010

    When that light flashes it is trying to get your attention because the
    computor thinks the level is very low. What I would suggest is to check
    the coolant level to verify that it is at the full mark. Then unplug the Coolant Level sensor to see if the message turns off. If it does then the sensor is
    faulty and could be replaced. However having this sensor really isn't
    necessary unless you are the kind of person that doesn't check the
    fluids or do regular oil changes. So replaceing it would be your call.
    Driving with the low coolant message flashing isn't really a big deal.

    Also, its possible that the Engine Coolant Temperature sensor is bad... removal & installation procedure








    1. Turn
      OFF
      the ignition



    2. Drain the coolant to below the level of the engine coolant
      temperature (ECT) sensor.



    3. Disconnect the ECT sensor harness connector.


    4. Remove the ECT sensor.










      Fig. Showing position of the Engine Coolant Temperature (ECT)
      Sensor (1)







    To install:





    1. Coat the sensor threads with sealer GM P/N 1050805, or equivalent.


    2. Install the ECT sensor (1). Tighten the ECT sensor to 20 Nm (15
      ft. lbs.).



    3. Connect the ECT sensor harness connector.


    4. Refill the coolant system.







    1. Turn the ignition
      OFF
      .



    2. Drain the coolant to below the level of the Engine Coolant
      Temperature (ECT) sensor.



    3. Disconnect the ECT sensor.


    4. Remove the ECT sensor.




    To install:




    WARNING

    Use care when handling the coolant sensor. Damage to the coolant
    sensor will affect the operation of the fuel control system.





    NOTE

    Replacement components must be the correct part number for the
    application. Components requiring the use of the thread locking
    compound, lubricants, corrosion inhibitors, or sealants are identified
    in the service procedure. Some replacement components may come with
    these coatings already applied. Do not use these coatings on components
    unless specified. These coatings can affect the final torque, which may
    affect the operation of the component. Use the correct torque
    specification when installing components in order to avoid damage.






    1. Coat the sensor threads with sealer GM P/N 1050805, or an
      equivalent.



    2. Install the ECT sensor and tighten to 15 ft. lbs. (20 Nm).


    3. Connect the connector to the ECT sensor.


    4. Refill the coolant system.




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