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Need help ASAP temp gauge needle goes past red line

Discussion in 'VR - VS Holden Commodore (1993 - 1997)' started by Blackvs96, Feb 26, 2013.

  1. Feb 26, 2013 #1
    Blackvs96

    Blackvs96 New Member

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    Need help fast my temp gauge goes straight up pass the red line upto the temp word when I first start the car on cold, just started this morning? Help
     
    Blackvs96, Feb 26, 2013
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  2. Feb 26, 2013 #2
    ab56452001

    ab56452001 Member

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    Check water level of course !, but sounds like thermostat.
     
    ab56452001, Feb 26, 2013
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  3. Feb 26, 2013 #3
    hako

    hako Donating Member

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    More info needed: if needle goes straight to HOT then it could simply be the wire to the sensor disconnected or shorted....if takes 5 minutes then I'd go with thermostat stuck.
    If there is no coolant the gauge will not register as it is immersed in coolant...no coolant no work.
     
    hako, Feb 26, 2013
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  4. Feb 26, 2013 #4
    Blackvs96

    Blackvs96 New Member

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    Ur right its the sensor thanks a lot i just moved it and back to normal, cheers much appriciated
     
    Blackvs96, Feb 26, 2013
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  5. Feb 26, 2013 #5
    Harvs82

    Harvs82 Active Member

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    I'd be checking the wire & connection for the temp gauge sender, its a little black rectangular plug/clip and a green wire from memory, located just below the thermostat housing. You could start the car up first thing and put your hand on there to check the temp, but from memory if the gauge is showing full HOT then the sensor/wiring is shorting to earth.
     
    Harvs82, Feb 26, 2013
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  6. Feb 27, 2013 #6
    Blackvs96

    Blackvs96 New Member

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    Well when I wiggled it around for abit it stoped, but if it is the sensor and the wiring will i have to just get new sensor or do i have to rewire. The leads as on positive and earth? I'd it complicated? Or an easy job?
     
    Blackvs96, Feb 27, 2013
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