This is a video guide presenting the engine thermostat replacement on the Alfa 147 Twin Spark (practically applicable on any Twin Spark engine). Typical symptom of a failed thermostat is slow rising temperature and weak heater.

The process of replacing the thermostat is straightforward with the air voids bleeding being the most tricky part of the repair. The bleeding screws are located on the engine radiator top right corner and heater top hose.

Original Alfa Romeo part numbers are:

Engine thermostat with part number 60663619.

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Hochgeladen am 19.01.2025   Problem melden   Dieses Video bei YouTube   Thanassis Gritsopoulos (Alfa Restoration) bei Youtube