Firstly, where is it leaking from? If its from the gasket seals around the water pump body, you can use rtv sealant to re-seal the water pump.
However, if it leaks from the pulley bearing, I'm afraid you will have to change the entire pump.
hi, my wira seat belt tensioner is loose, it can't pull the belt back 2 its original position, think the spring is not as powerful as before, anybody knows how 2 repair this urself? alternatively how much is it sold...