It is at the bottom front of the coolant reservoir.
The coolant level sensor is bad
Means you have an issue with the engine coolant level.
Coolant Recovery Reservoir. There is no sensor in the coolant recovery tank on a 1998 Buick Regal.
bad coolant level sensor in either side or bottom of plasit coolant resivoir,
The coolant level sensor is about three inches below the coolant cap on the back side of the radiator. It is a 1.5 X 1.5 inch box with an electrical plug going into the bottom of it.
The coolant level sensor is about three inches below the coolant cap on the back side of the radiator. It is a 1.5 X 1.5 inch box with an electrical plug going into the bottom of it.
The coolant light is supposed to indicate when the coolant level is low. If you're certain that the vehicle coolant level is up, check the electrical connections and finally the sensor.
check coolant sensor float most common problem.
It is in the bottom of the over flow tank.
If you are checking the coolant level at the overflow bottle, it may look normal (between the low & high marks). But the coolant level sensor is mounted on the passenger side of the radiator, down several inches from the top. In other words, you need to check the coolant level AT the radiator cap, but only when the engine is COLD. If it is OK at that point and the overflow bottle, then the coolant level sensor most likely needs to be replaced.
fill till the level in the resovor is at the cold line. run the engine to bleed the air out and then check it again
The Engine coolant temperature sensor is installed in a coolant passage which is located at the front left cornerof the cylinder head.