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Replacing the Thermostat on the Subaru Forester

Model: Subaru Forester SG, MK 2 - Years 2002-2008
Part: Thermostat

This brief and simple guide explains how to remove and replace the coolant temperature thermostat on the Subaru Forester. First, lift the vehicle and start disconnecting the coolant hose, allowing it to drain into a container; then unscrew the thermostat screws to remove it, disconnecting the pipe from it. Next, install the new thermostat, reconnecting the pipe; finally, open the bonnet and unscrew the filler cap to pour in the new radiator fluid!

Updated on 17 May 2026 by ScegliAuto

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