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How to Replace the Temperature Sensor of the Volkswagen Polo 6N2 - 9N

Model: Volkswagen Polo MK IV, Polo IV, Polo 4, MK 4, 9N - Years 2001-2009
Part: Engine coolant temperature sensor

In today's video tutorial, we will see how to remove and replace the coolant temperature sensor of the first and second series Volkswagen Polo. First, open the bonnet and locate the sensor, which is found low on the right side of the engine bay; then disconnect the electrical connector of the sensor and remove the ring or clip as shown in the video. At this point, remove and replace the bulb sensor with the new one, also replacing the small gasket; all that remains is to reassemble everything!

Updated on 2 June 2026 by ScegliAuto

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On the Peugeot 407, the boot may become stuck, possibly due to a problem with the control button or the lock actuator. In such cases, you can perform an emergency opening by following the simple procedure shown in this tutorial. First, open the rear doors, then lower the seat back by operating the release lever. Next, go inside the boot, locate the lock, and manually operate it using a flathead screwdriver. The boot will then be free to open.

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