Loosen the clamp and disconnect the hose from the nozzle 1 (see picture) water pump.
Drain the coolant into a container.
Use a screwdriver to remove the retaining ring 4 from the shaft of the pump branch pipe and remove the thermostat 3 together with the gasket 2.
Install the new thermostat with the arrow pointing upwards on its body.
Lubricate the new rubber seal with a thin layer of sealant and put the outlet hose on the water pump nozzle, having previously installed the retaining ring.
Top up the coolant in the expansion tank to the correct level.
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