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Replacing the Coolant Temperature Sensor on the Opel Astra 1.6 8V

Model: Vauxhall Astra Astra G - Years 1998-2006
Part: Engine coolant temperature sensor

In this brief and simple guide, you will find instructions to remove and replace the coolant temperature sensor on the Opel Astra 1.6 8-valve. First, open the bonnet and disconnect the battery. Next, unscrew the bolts of the valve sensor and disconnect the electrical connector. At this point, locate the bulb-type coolant temperature sensor underneath; use a socket spanner to remove it and replace it with the new one, applying the reverse procedure!

Updated on 13 May 2026 by ScegliAuto

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