coolant temperature sensor are located where the coolant runs in the block near the thermostat housing normally the connector are on top of the sensor and the sensor itself screws in with a deep socket.
The temperature sensor is usaully located where the coolant runs OUT of the engine close to thermostat housing.
Vehicle make, model & engine size needed first.
Coolant is used to keep an engine in a vehicle at a temperature safe for operation. If no coolant is in the reservoir, an engine will not start.
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The engine coolant temperature sensor is usually on the front of the engine. The coolant temperature sensor will be in the vicinity of the thermostat housing.
After coolant is added run vehicle to normal operating temperature and re-check coolant level
Ford part number 18C815 corresponds to a specific engine coolant temperature sensor used in various Ford and Lincoln vehicles. This sensor monitors the temperature of the engine coolant, providing critical data to the vehicle's engine control unit for optimal performance and efficiency. If you need to replace or check this component, it’s essential to ensure compatibility with your specific vehicle model and year.
The number of coolant sensors in a vehicle can vary depending on the make and model. Typically, most vehicles have at least one coolant temperature sensor, which monitors the temperature of the engine coolant. Some vehicles may have additional sensors, such as a low coolant level sensor or multiple temperature sensors for different engine components. Always refer to the specific vehicle's service manual for accurate information.
the average coolant temp depending on what thermostat is in the vehicle shold be between 175 degrees and 190 degrees
The coolant temperature sensor of a 1998 Nissan Altima is located beside the upper radiator hose. It constantly updates the vehicle's computer about the engine's temperature.
Modern vehicles are equipped with multiple temperature sensors. They are used to advise the engine computer and driver on the condition of the vehicle systems. Common automotive temperature sensors include coolant, transmission, ambient air temperature and engine oil.
Check to verify the coolant level is full. If the vehicle has a engine coolant temperature guage, does it reach and maintain a normal temperature duing vehicle operation? If not have a mechanic check for a leaking head gasket.
You will have to replace the refrigerant, but not the engine coolant.