Cant find the radiator drain plug on the 1.3,service manual gives a vague diagram of location but I will be damned if I can locate it. want to change the coolant.any ideas.
Undo the bottom hose to drain the coolant. Very few cars have a drain plug these days it's all about keeping costs down. If there is a plug on the Copen and it's seized in you might damage the rad trying to undo it.
It looks like the plug is at the opposite end to the bottom hose. http://www.viamoto.co.uk/prodimages...-radiator-cooling-system-exploded-diagram.jpg
Just had a look at my 1.3 and there is a drain plug ands it's easy-ish to reach. It seems to be a plastic wing nut which won't seize in the rad and you should be safe undoing it. If you look to the left of the rad, looking down through the engine compartment, at the bottom there is room to get your hand in and feel around the back of the rad. You'll feel a wing nut very near the bottom left corner which is the drain. Removing the grill will make it even easier.