Question about 1998 Cadillac DeVille

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Coolant level warning on dash board - 1998 Cadillac DeVille

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Check your coolant level in the radiator when the engine is COLD. If it is low, add more. Also check and add as needed in the reservoir to the specified level. If these are full, then you have a bad water level sensor that will need replacement. This is a plug in the top of the radiator with a wire coming out of it. It acts much like a door switch that turns on the light when you open the door, only where the door switch is a momentary contact operated by a spring, the sensor in the radiator reads continuity based on the water level in the radiator tank. When there is no fluid, there is no continuity and the light comes on.

Hope this helps,
matt

Posted on Oct 08, 2009

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Maybe your low on coolant,,maybe you got a leak, maybe you got a bad sensor saying your low on coolant but your not,,,,,

Posted on Oct 08, 2009

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It says that your vehicle is low on coolant.Get the coolant level checked.If low has to be changed.

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I have a red dash warning light (no manual) & warning ping when I start up engine. Symbol is like an exclamation mark in circle with outside incomplete circle-lines Cheers


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My 2001 VW Polo oil pressure warning light comes on regularly after driving for approx 8 miles - oil level & pressure both appear to be ok and water level too. Oil sensors replaced but to no avail....


Have you checked your thermostat. Some cars do not have gauges for all componants of the car located on the dash board. A bad thermostat could drive the oil pressure gauge up, if there is not a coolant level gauge on the dash board.

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This light represents the coolant level. If your coolant level sensor detects a lack of coolant, it will come on. I would advise filling your car to the proper level and also have a mechanic inspect your cooling system to find out why your coolant level dropped.

Good luck!

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