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My 1999 buick Regal gs low coolant light stays even though levels are ok?
Wiki User
∙ 13y ago
Take the coolant level sensor off the radiator & clean it out. The sensor is located passenger side under the radiator cap next to the battery. Best to pull the battery & headlight assembly. Metal retaining clip holds it into the radiator. I just took mine out for the same reason, found alot of "sludge" around the sensor probe. Cleaned it out with some sensor cleaner and soap, reinstalled, refilled the antifreeze and light is out.
Wiki User
∙ 13y ago
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