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How to Change the Coolant Temperature Sensor on a Volkswagen Passat 1.8T

Model: Volkswagen Passat 3BG, B5 - Years 1996-2005
Part: Engine coolant temperature sensor

In this guide, find the instructions to remove and replace the coolant temperature sensor on a Volkswagen Passat 1.8T. First, open the bonnet and locate the coolant sensor, which is situated at the top of the engine bay behind the block; then remove the plastic engine cover and unscrew the fixing bolt of the bulb sensor, disconnecting the electrical connector to remove it, as shown in the video. Now, replace the sensor with the new one and reassemble everything!

Updated on 13 May 2026 by ScegliAuto

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