Just changed my thermostat on the weekend, not that bad to do. Get yourself a ratchet and standard 1/4” ring spanners and a 1/4” drive for the drill (this goes in to the ratchet spanner to undo a couple of the housing bolts) a proper coolant hose clamp pliers will also make life easier
undo the aircon hose for easier access, no need to remove engine mounts etc, finely but doable.
order a new thermostat housing and thermostat, it will come with the seal. You will also need a new o ring for the coolant pipe that bolts in to the housing.
allow most of the day for the first one lol
