Question about 1991 Buick Regal
Hi Mike,here's a link to the low coolant sensor,could be bad.http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?fromSearchPage=true&pageId=0900c15280067b8c&partName=Low+Coolant+Sensor&partId=0900c15280067b8c Here's another link to the part.http://www.autozone.com/autozone/parts/Duralast-Sensor-Radiator-Coolant-Level/1991-Buick-Regal/_/N-itcyeZ9pehj?itemIdentifier=349767_0_0_1568
Posted on Nov 07, 2012
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Posted on Jan 02, 2017
The low coolant sensor should be located in the passenger side radiator tank, You need to take it out and clean the sludge off of it for it to work right. Or you can just unplug it and forget about it, the light will go out and it won't cause any problems.
Posted on Mar 01, 2009
SOURCE: Low Coolant Light
Why is it low? Leaking? The dumbest thing they sell is a 50/50 mix of antifreeze. You are getting 50% water and 50% coolant. Just buy a 100% antifreeze jug add it first and top it off with water. If the water is not low you may hve a bad coolant level sensor. It snaps into the radiator tank and is easy to replace when cold.
Posted on Sep 13, 2009
check sensor on reservoir. Unplug connector to sensor to see if light goes out. If yes, replace sensor. If no, wire may be shorted.
Posted on Oct 02, 2010
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