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Coolant Sensor Light S70 1999

posted by  littlebug on  Tue Mar 8 02:11 CST 2005
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My coolant sensor light went on and so I topped it off with fluid. The light went off when I turned the car on..but within a minute was back on again. I added more fluid until it was right to the brim and the same thing happened. The light is now continually on. The temperature gauge seems right in the middle where it belongs. Any suggestions?








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    Coolant Sensor Light S70 1999

    posted by  someone claiming to be donga on  Tue Mar 8 03:33 CST 2005 [RELATED]

    I had the same issue a while back (18 months of so). I disconnected the sensor connection to the coolant container and reconnected it. It's worked fine ever since.








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      Coolant Sensor Light S70 1999

      posted by  littlebug on  Thu Mar 10 03:10 CST 2005
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      Thanks for the advice..but where is the sensor connection located?








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        Coolant Sensor Light S70 1999

        posted by  someone claiming to be elbert on  Sun Mar 13 14:28 CST 2005 [RELATED]

        I'm assuming the '99 S70 is same as my '98, the sensor would be inside the coolant reservoir and the electrical connector is underneath the reservoir. Detach the reservoir and rinse it off to clear any debris that might be preventing the float from function properly. As you are reconnecting the hoses back, be careful not to over tighten the hose as you can easily crack the plastic. Run the car at its normal operating temperature and check to make sure you do not have a leak.








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          Coolant Reservoir S70 2000

          posted by  someone claiming to be Mark R. on  Tue Mar 15 04:40 CST 2005 [RELATED]

          Say - speaking of removing & rinsing the coolant reservoir....
          I can't seem to get the power steering tank removed so I can remove the coolant reservoir. I don't want to break the plastic for either.... any advice?







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