Question about 1997 Saturn SL

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Replaced water pump, alternator, radiator, crank sensor and no coolant leaks and car has antifreeze, but why is low coolant dashboard indicator light keep flashing on 97 saturn sl2

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  • Saturn Master
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Inside the coolant reserve tank there is a sensor for coolant level.


Over time,this sensor can get stick.


Inspect the coolant reserve tank for crack or leak.

Locate the coolant level switch/sensor and soak it in clean warm water.

Make sure it's free to move up and down the float path.

Top off the coolant tank with coolant only.



Posted on Dec 02, 2009

  • wam762 Jul 21, 2014

    And if Cleaning the Tank out doesn't turn the light out, Replace the Coolant Overflow Bottle, it is the ONLY way the float sensor is sold! Thank You GM!

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Posted on Jan 02, 2017

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