How to Replace the coolant temperature sensor in your Volkswagon automobile

This guide walks you through the replacing of a coolant temp sensor on a Volkswagon by showing you step-by-step instructions using a 2.8L Volkswagon Passat with a 6 cylinder engine. Start by removing the plastic engine cover, disconnecting the electrical connection, and removing a large hose so that you can gain access to the air duct.

The coolant temperature sensor sends water temperature readings to the car computer and effect the way the vehicle starts and runs.