Sensors - 1995 4.9 coolant temp
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Sensors - 1995 4.9 coolant temp in Past Cadillac Vehicle Discussion; I would like to know if anyone can tell me the location of all the temp sensors on a 95 ...
  1. #1
    BUBBA KEITH is offline Cadillac Owners Member
    Automobile(s): 95 DEVILLE
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    Sensors - 1995 4.9 coolant temp

    I would like to know if anyone can tell me the location of all the temp sensors on a 95 Deville with a 4.9. I broke a sensor near the number 8 spark plug, while changing my plugs. cant seem to find out what this two wire sensor is.. thanks for any help.

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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: sensors

    #519 is the ECT sensor and #556 is the MAT sensor.
    http://www.gmpartsgiant.com/Page_Pro...026&SortKey=36



    #243 is the MAP sensor
    http://www.gmpartsgiant.com/Page_Pro...027&SortKey=33

  4. #3
    BUBBA KEITH is offline Cadillac Owners Member
    Automobile(s): 95 DEVILLE
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    Re: sensors

    thanks for your help

  5. #4
    drewsdeville is offline Cadillac Owners Master
    Automobile(s): 2011 Crown Vic LX
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    Re: Sensors - 1995 4.9 coolant temp

    The sensor you've described isn't present in any of the above photos.

    The engine COOLANT temp sensor is located in the intake manifold - no where near your description. It is in direct contact with the coolant and supplies temp data to the PCM specifically for engine management.



    You are looking for the engine METAL temp switch. It's threaded into the cast iron head and it's sole purpose is to control the dashboard temp dummy light. This is the switch right next to the #8 plug.


  6. #5
    BUBBA KEITH is offline Cadillac Owners Member
    Automobile(s): 95 DEVILLE
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    Re: Sensors - 1995 4.9 coolant temp

    thanks for the help and the pic.

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