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Replacing the Thermostat on a Peugeot 508

Model: Peugeot 508 MK 1 - Years 2010-2018
Part: Thermostat

Removing the thermostat on a Peugeot 508? Open and lift the front bonnet, remove the covering plastics. Unscrew the bolts on the thermostat hose cap as shown in the video (use a socket spanner with the appropriate sockets), remove the sealing cap and extract the thermostat from its housing. Replace the thermostat with a new one, close the housing with the cap, and securely tighten the bolts with all its parts. Ensure the thermostat valve is correctly inserted and fitted in the appropriate housing, top up with new fluid if lost. Start the 508.

Updated on 22 March 2026 by ScegliAuto

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