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low engine temp on gauge; just replaced thermostat V70-XC70 1999

posted by  ketchgould on  Sun Jun 9 17:41 CST 2013
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last visit: Tue Jun 11 13:03 CST 2013
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Folks:

I have just replaced my thermostat on our 1999 xc70 because the temp gauge was reading very low temps. Nothing has changed now with the new thermostat. I was also loosing some anti-freeze before the repair.

Water pump?

Thanks?

Christian
St. Paul








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    low engine temp on gauge; just replaced thermostat V70-XC70 1999

    posted by  KlausC on  Sun Jun 9 18:13 CST 2013
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    last visit: Fri Oct 24 10:15 CST 2014
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    It could be the ECT sensor, just below the thermostat. If the pump is failing, the temp gauge should go up because of the slow circulation.







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      low engine temp on gauge; just replaced thermostat V70-XC70 1999

      posted by  ketchgould on  Mon Jun 10 07:19 CST 2013
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      last visit: Tue Jun 11 13:03 CST 2013
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      my thermostat does not have the bleeder hole, should I drill one into it?

      How should the hoses feel with car running, full of liquid or not?...say the hose from thermostat to radiator?

      Is there a way to check the temp gauge?

      Thanks
      Christian








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        low engine temp on gauge; just replaced thermostat V70-XC70 1999

        posted by  KlausC on  Mon Jun 10 09:18 CST 2013
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        last visit: Fri Oct 24 10:15 CST 2014
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        If the thermostat is not OEM, you take your chances later as they usually fail in the closed position and the engine overheats. Do NOT drill a hole!

        If it is not OEM, replace it with OEM when you replace the ECT sensor.






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