D12 running cold

Discussion in 'Volvo Forum' started by Zeeny, Jan 19, 2014.

  1. Zeeny

    Zeeny Light Load Member

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    Nov 16, 2013
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    Hi guys,I got a d12 I only got maybe 6 or 7 thousand miles on a reman,I put a new thermostat in it,is it normal that sometimes running down the road the water temp will drop down as far as like 130
     
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  3. WorldofTransportation

    WorldofTransportation Heavy Load Member

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    Sep 20, 2009
    Your mother
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    Not normal..

    What is the outside temperature? is your fan running constantly... (you should be able to hear it if it is on.. If not get out and look).. What temp thermostat did you put in it?
     
  4. boneebone

    boneebone Road Train Member

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    No, it is not normal. Usually it is a bad thermostat, fan staying on or coolant temperature sensor is bad.
     
  5. Zeeny

    Zeeny Light Load Member

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    Nov 16, 2013
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    Real cold maybe in the 20s,the fan was deffinetly off
     
  6. jameslawton

    jameslawton Light Load Member

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    Tulsa OK
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    Check engine temp with laser temp gun make sure your not chasing a bad gauge also when u put in new t stat did you get the bottom seal in good ig they are not in straight they can bypass water and cause low water temp
     
  7. Zeeny

    Zeeny Light Load Member

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    Nov 16, 2013
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    Volvo installed the thermostat I'm not sure,but if I got a heavy load it's good,temp only goes down when it's real cold and I'm on a real light load otherwise it stays up there around 190 area
     
  8. jameslawton

    jameslawton Light Load Member

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    I would call the shop my guess is bottom seal not set flat can cause t stat to stick open but still work most of the time
     
  9. Zeeny

    Zeeny Light Load Member

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    Nov 16, 2013
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    I'll stop by Volvo,would it course damage to run like that,thank you for your replies
     
  10. jameslawton

    jameslawton Light Load Member

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    Tulsa OK
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    No won't hurt much won't run as efficient but not that big of deal
     
  11. Zeeny

    Zeeny Light Load Member

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    Nov 16, 2013
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    Thank you for the reply
     
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