Question about 2000 Buick Century

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How to replace a coolant level sensor, 2000 buick century

2000 buick century how to replace a coolant level sensor coolant light stays on 2000 buick century. Levels are good. How do I check or replace sensor?

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The coolant level sensor is located on the radiator. If you are looking at the engine from the front of the car it will be on the left side. There will some kind of clip holding it in the radiator. Removed the clip and pull the sensor out. You will lose coolant so try to swap it out quick or drain some of the coolant out. Once new sensor is installed, install clip to keep the sensor in place and reconnect the wires to the sensor. Crank the engine and make sure the coolant level is full. This should correct your problem.

Posted on Jan 04, 2009

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1 Answer

Low coolant light comes on when rad and reserve are full


There's a sensor in the reservoir, it's probably bad. The Coolant Level Sensor is replaceable and should be available at your local parts store, or at RockAuto,com for around $36.00.

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2000 buick century, where is the thermostat located. and what level should the antifreeze be? the temp guage on dash is staying on the c side what may be the problem?


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Dec 11, 2009 | 2000 Buick Century

1 Answer

Buick 1999 century replaced the sensor light and still comes on.


your buick century has a low coolant level sensor located in the passenger side of the radiator , sometiomes the sensor get covered with coolant sludge and will show that the cooling system is not filled , sometime the radiator is just still low on coolant . check the radiator when the engine is cold ( IF HOT WAIT !!! 30 mins ) and make sure the level is above the sensor.

Feb 06, 2009 | 1999 Buick Century

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