When to replace the coolant level sensor light?

When to replace the coolant level sensor light?

The coolant sensor light is only supposed to stay illuminated for a few minutes when you start the motor, so, if it is staying on for longer than this, you may need to replace the coolant level sensor. Under most situations, the driver will shut the engine off and add radiator coolant or water to the radiator or overflow tank.

Where is the radiator coolant level sensor located?

Step 1: Prepare the vehicle. In most cases, the radiator coolant level sensor is going to be accessible from the top of the engine compartment and with simply reaching down with your hands.

Why does my radiator coolant sensor need to be replaced?

However, if the light stays on for an extended period of time, the coolant level sensor or the electrical connection to the sensor may be damaged, dirty, or need to be replaced. On the opposite side of the coin, if your radiator is actually low on coolant and the light does not come on, this can cause the engine to overheat.

How do you remove a sensor from a radiator?

To remove the sensor, slowly wiggle the sensor up and down and then from left to right to loosen the connection. The sensor will be very tight on most vehicles, so it may require the use of a pair of pliers for added support. Be careful not to break the sensor end inside the radiator.

How do you replace a coolant level sensor?

Step 7: Remove the electrical wire attached to the sensor. Once you locate the coolant level sensor, you need to remove the electrical wire that is attached to the sensor. The electrical connection may have a nylon snap connector attached to the bottom of the sensor. Remove this clip and then remove the electrical wire from the sensor.

How can I check the coolant level in my car?

Step 1: Start the vehicle. Let it warm up to operating temperature. Step 2: Check for leaks. Be sure to check for leaks from the radiator drain plug, petcock, or the coolant temperature sensor. Step 3: Check to see if the check engine or low coolant level light is illuminated.

However, if the light stays on for an extended period of time, the coolant level sensor or the electrical connection to the sensor may be damaged, dirty, or need to be replaced. On the opposite side of the coin, if your radiator is actually low on coolant and the light does not come on, this can cause the engine to overheat.

To remove the sensor, slowly wiggle the sensor up and down and then from left to right to loosen the connection. The sensor will be very tight on most vehicles, so it may require the use of a pair of pliers for added support. Be careful not to break the sensor end inside the radiator.