You don't give the engine size,so I will assume you have a 1.2 and you want to change the thermostat,but can't see it?
This job involves removing the cambelt front cover, the cambelt and bottom pulley, finally the rear cambelt cover. You should now be able to see the 'stat housing on the front of the head. Just unbolt it, remove and replace the 'stat, draining the coolant before of course.
I always recommend you check your mileage and if anywhere near belt change time, save yourself some time and money, do it while in bits. Some people have cut the rear cover and bent it out the way, it can be done like this but is not such a good job.
The thermostat on a 53 plate corsa sxi is in back of the water pump
pieces of rubber seal found inside the thermostat housing on my corsa 1.2 sxi (04) plate, where did the rubber seal or gasket come from?
behined the fan belt
Its behind the water pump
inside in watter cool pipe
wher the big water pipe goes to
how do you change a heater matrix on 1.2 corsa 52 plate
no
unfortunately its behind the timing belt, bolted to the head.
The thermostat housing is on the cylinder head,at the pulley end. Curley hose from top of radiator connects to it.
How do you change a sidelight bulb on a 53 plate corsa
2000