Question about 2001 Mercury Sable

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Locate low coolant sensor? i understand it can be disbled at the recovery tank. how? not ver knowledgeable thanks

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Its mounted right under the tank pull tank off u will see in some cases it works some it dont

Posted on Oct 09, 2009

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I'm in the throws of solving the problem of the low cooling light staying on right now. While Cooper0365 is right, getting the tank off is kind of a pain in the backside. You have 3 clamps, 3 hoses, and 2 screws, and the sensor wires to remove. Be sure to empty the tank first with a turkey baster or something else you'll have anti-freeze all over the ground. But it's not really a good idea to disconnect the sensor. It's there for a reason. If you're going through the trouble of pulling the tank, you're better to just replace it with an after market one. I've also read that you can try filling the tank with soapy water to free up the sensor that apparently gets stuck because of the antifreeze.

Posted on Jul 25, 2010


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Why do my check coolant level come on every day after I start-up

The coolant level may be low. Year/make/model?? There is a sensor incorporated in the system ( rad/recovery tank ) that monitors the level.

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1 Answer

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These are not really sensors but switches. The low coolant one if the tank is full is defective it is located in the coolant recovery tank. The door has a defective door ajar switch in one or more of the four doors, have a dealer scan the systems control module for id of which sensor it is, to replace them requires the door be taken apart a very time consuming job if you have to remove all 4 door panels.

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The low coolant light comes on and off in our 1999 Pontiac Bonneville. We were told it is a sensor. how do we change it?? Also fuel gauge is jumpy--is there a solution to that? thanks

Did this someone check it or just tell you it needed a sensor?
On some vehicles there is' a sensor on the radiator but most are in the plastic recovery tank. Just fill the tank.The coolant needs to touch it for the light to go out.While the engine is cool add 50/50 mix to the coolant reservoir/recovery ,replace cover & start engine, Check light.
When fuel tank gauges start going wacky its because 1 of only a few things has happened.
The wiring to the fuel tank sending unit has become corroded or cut somehow, the plug has become loose or corroded.
The sending unit inside the tank was hit with a syphon hose or the tank took a good hit somehow. Maybe in an accident.
It is rare that the gauge has gone bad. Not to say it hasn't happened, it's just rare.

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Im receiving a check coolant level on my 2000 cadillac deville, coolant level is fine. is there any way to reset this warning light?

No the light is linked to a sensor. There is a coolent sensor that tells you that the level is low. It sounds like the sensor has gone bad. And the sensor is located in the coolent tank. If it is bad from my understanding you have to replace the whole tank. But take a paper clip with the engine off and disconnect the wire harness from the sensor and jump the wires and see if the light goes off.

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