Low Coolant Light But High Level Of Coolant, Why? - Taurus Car Club of America : Ford Taurus Forum
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post #1 of 17 (permalink) Old 02-23-2008, 11:24 PM Thread Starter
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Hi, my 2002 taurus sel. this evening its low coolant light lights. however, when i checked the coolant level, it is almost full.

what the problem is? the sensor, or the coolant it too full to move?

what shall I do? thank you very much for your information.
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post #2 of 17 (permalink) Old 02-23-2008, 11:57 PM
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Bad coolant level sensor - it's a float and a magnet located in the reservoir. The magnet has a tendency to detach from the float and settle to the bottom where it triggers the low coolant level sensor. Either disconnect the sensor (located at the bottom of the reservoir), or buy a new reservoir. If you buy a new reservoir, be sure to get the Dorman revised one (clear top).

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post #3 of 17 (permalink) Old 02-24-2008, 12:15 AM Thread Starter
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Thanks for your help!

Is it possible that the coolant in the reservoir too full? because mine is almost full.

and usually how much is it to repair it?

thank you.
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post #4 of 17 (permalink) Old 02-24-2008, 07:18 AM
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You have to purchase a new tank with the sensor in it.

Takes about 10 minutes to change

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post #5 of 17 (permalink) Old 02-24-2008, 11:53 AM
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You can't get the tank too full. Any excess will just get burped out. You should keep the tank as full as possible to keep the exposure of O2 to the coolant to a minimum.

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post #6 of 17 (permalink) Old 02-24-2008, 03:42 PM Thread Starter
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Thanks for everybody's help!!

It's very useful to me!!!
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post #7 of 17 (permalink) Old 04-01-2008, 08:24 PM
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I had the same problem with my low coolant light. I ordered the doorman part from rockauto for about $40 after shipping. It would have been an easy install if one of the two bolts was not ruined. Still only took me an hour and the light is off. It sure is nice to have the sensor working because it is important to know when something in the cooling system springs a leak...which seems to be happening to me lately.
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post #8 of 17 (permalink) Old 05-08-2008, 03:29 PM
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perfect timing. this is happening to my taurus and i just did a full system flush and cleaning. then the light stays on and i'm just thinking wtf? so now i gotta replace the tank and buy another jug of coolant...sweet


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post #9 of 17 (permalink) Old 07-21-2008, 03:57 PM
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OK...I&#39;ve been a member for about 5 minutes and this is the solution to one of the problems I have been having.

It&#39;s $39 at AutoZone (for the Dorman).

~Brad~

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post #10 of 17 (permalink) Old 07-21-2008, 09:37 PM
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I replaced mine about 2 weeks ago. I ordered the part from parts.com I should have checked here and then I would have known it was a part available at Autozone. Still, it was pretty convienient to just order it online and not have to make a trip to Autozone to order it, then go back in a week to pick it up. Mine is a genuine Ford part, but it is a clear jug like the Dorman one described. I liked the black cover from the original better. I think the Ford part ran me about $50.

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