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How to Replace the Thermostat on a Volkswagen Golf 1.9 TDI

Model: Volkswagen Golf Golf IV, MK 4, Golf 4 - Years 1997-2003
Part: Thermostat

In this brief and simple guide, follow the steps to dismantle and replace the thermostat on a Volkswagen Golf 1.9 TDI. First, open the bonnet of your car and begin removing the plastic engine cover; then drain the coolant into a container. At this point, unscrew the thermostat screws, remove it, and replace it with the new one; also replace the gasket and reinstall the original thermostat, finally topping up the coolant!

Updated on 5 July 2026 by ScegliAuto

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