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Instructions for Replacing the Thermostat

Model: Ford Fiesta Fiesta 4, Be91, MK 4, MK IV - Years 1996-2002
Part: Thermostat

The heater valve regulates the flow of heat into the cabin. Since the cooling system must be drained when replacing the heater valve, the author of this video decides to take the opportunity to also change the thermostat and show us how to proceed. The Endura-E OHV engines that equip many Ford Fiesta and Ka models are reliable but require regular maintenance at least every two years, particularly regarding the coolant change, which must be replaced with fluid meeting the specifications set by the manufacturer (for this model, the long-life antifreeze coloured orange). The vehicle used in this video is a Ford Fiesta 1.3.

Updated on 1 February 2026 by ScegliAuto

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