Cooling fan...

[fr3n2y]

Right, changed the thermostat and now replaced the water temperature sensor (after some accidental damage ) but I'm abit confused about the cooling fan...

I've noticed it comes on when the ignition is on or engine started but as soon as i remove the key it stops? Is this right?

On my old car (pug 306) i'm sure the cooling fan came on and stayed on if the key was removed...

Is something wrong??

[Munter]

No nothing wrong as far as I'm concerned. Just older technology....

[fr3n2y]

Cool, I'm happy with that!!

Is it worth me draining all the coolant out and refilling it with fresh stuff seeing as I've just changed the thermostat and sensor?

How difficult is it to do?

[DennisTheMenace]

It should only come on when needed , the thermistor on my 1.8 was dead and default is fan on , check for faults via the diagnositcs socket with a bit of wire and an led

[MrV]

fr3n2y said:

Cool, I'm happy with that!!

Is it worth me draining all the coolant out and refilling it with fresh stuff seeing as I've just changed the thermostat and sensor?

How difficult is it to do?

there should be a drain plug at the bottom of the rad or there is one on mine if not just undo the bottom hose and pull it off ,you really need to flush the Rad though rather than just drain it if you are try to give it a good clean out ,stick a hose pipe in the top for 30 mins or until it runs clearish .I am sure you can buy some gunk to put in the Rad to aid with the cleaning I might have dreamed this though

As to whether it is worth doing is a whole different question are you still running hot at the moment ?

[fr3n2y]

Ah ok not too difficult, will take a look this evening..

The temp guage is staying central now rather than sitting just under the H as it was before...so it appears its running much cooler than before.

I just thought with the new sensor and thermostat a flush and new coolant will do it some good..although, I guess I shouldn't fix what aint broken..