It works to help start the vehicle on cold days and maintain it working easily, whereas additionally preserving the temperature regulated so it does not overheat.
In older vehicles this could be referred to as the choke.
When the coolant temperature sensor is not operating properly the automobile will run sluggishly and feature cases of heating up.
Changing this sensor is a straightforward challenge that would possibly be achieved in your personal garage on a flat driveway.
Step 1: Open Hood of Automobile
Pull the latch for the hood of the automotive and open it.
Make it imaginable for the hood is secure and received't fall on you whenever you let cross of it.
Step 2: Find Coolant Temperature Sensor
The coolant temperature sensor is situated on the front of the engine block.
This can differ on some vehicles the place the pulleys are situated on the aspect of the vehicle.
Nonetheless, the sensor is still positioned among the pulley system.
Hold a drop mild over the realm and find the sensor.
It's possible you'll must remove the fan shroud as a way to see into the space.
The sensor could have a terminal exposed with a unmarried wire coming from it.
Step 3: Take away Lead Cord from Terminal
The sensor sends its signals alongside a lone lead twine that is situated on the top of the terminal.
Depending on how that is attached you'll need to take care whilst eradicating it.
Any problems with the cord and you will have to exchange it.
Pry off the clips with a flat screwdriver with out breaking the tabs.
Pull the wire and set it in a spot the place it is out of the way.
Step 4: Loosen Coolant Sensor
The coolant temperature sensor is put in very equivalent to a spark plug.
Use a deep socket and ratchet wrench to loosen the sensor.
Steadily observe pressure to the sensor whereas turning it in a counterclockwise direction.
This can help to ensure you do not break the sensor in the threads.
Step five: Take away and Change
Continue to loosen the coolant temperature sensor until you may remove it.
Clean off the area and the threads with a clean store rag.
Guantee that the realm is clear of any particles so it won't intrude with the replacement.
Set the new sensor into the threads and start to twist it by hand.
Step 6: Torque Sensor in Place
Twist the coolant sensor together with your hands till you in all probability can tighten it by means of hand.
Lookup the quantity of torque the sensor should be tightened to and set the torque wrench.
Connect the torque wrench to the sensor and tighten it down.
Step 7: Reconnect Wire
With the coolant temperature sensor installed you only have to reconnect the lead wire.
Make certain the tip of the wire is clear and plug it again into the terminal end of the sensor.
Be certain it's related tightly.
Turn the engine on and permit it rise up to operating temperature.
Pay attention for any fluctuations in the engine and watch the temperature gauge.