Question about 2002 Buick Century
No heat this am so i drain rad./overflow tank and added coolant now car is overheating why
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Posted on Jan 02, 2017
SOURCE: low coolant light
In the surge tank, there is a sensor that detects the level of the coolant. It's most likely the sensor is stuck on the low position. All this sensor does is slide up and down as the coolant level goes up and down. You can tap the side of the surge tank near where the sensor plugs in and see if it will dislodge. You'll see the 2 wire plug at the bottom of the tank towards the front.
Posted on Jun 13, 2008
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
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
Yes Ma'am, Have a pressure check done on the coolant system and I'll be willing to bet you have a blown lower intake gasket.. Pls let me know..
Posted on Mar 11, 2009
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