Its very simple, the thermostat is the housing bolted to the right hand side of the engine under the ignition coils. you will have to change the coolant or at least top it back up when youve changed the thermostat. Be sure to get all the air out or you will cook the engine.
Rusty
March 2009
I can answer this question...
i do i replace a thermostat on a fiat punto 1l 1994?