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Replacing the Coolant Sensor on an Opel Astra

Model: Vauxhall Astra Astra J - Years 2009-2016
Part: Engine coolant temperature sensor

How do you remove the coolant sensor? Remove the coolant reservoir from the Opel Astra. Lift the bonnet to access the coolant reservoir. Unscrew the securing screws from the sides of the reservoir, and move the hoses until you reach the temperature sensor. Replace the damaged part with a new one. Reattach the reservoir with the hoses and screws. Finally, close the bonnet. Start the car's engine and check the operation of the new sensor installed earlier.

Updated on 9 April 2026 by ScegliAuto

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