Mechanics

LOW COOLANT LIGHT COMING ON

2001 Cadillac Deville • V8 FWD Automatic • 162,995 miles

Drained radiator and added all new coolant to our 2001 Cadillac Deville even with the reservior full the check coolant light comes on why?
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Umma8grands
July 29, 2011.



Sticking level sensor in the reservoir. Try tapping on the reservoir with your hand, a rubber mallet, or similar. That usually does the trick. If you can not get it to go off, replacement of the reservoir is the only other option.

Factoryjack
Jul 29, 2011.
This problem is the coolant level switch in the jug.

Cadieman
Jul 29, 2011.