Wheres the water going?

change the radiator and the temperature sensor as this controlls when the fans work.
the sensor is normally fitted into one side of the radiator

water pump is ran by the timing belt. when changing the water pump the belt should be changed to. and sometimes the timing belt tensioner needs to be replaced too.worst case senerio. about a 350-400$ repair.

If i remember correctly it should be located on the radiator. near the lower rad hose.

Yes it will work and is a common swap. You will need the computer. Good luck and have a great day.

with turbo it appens that becuz of hign preasure the cylinder crack! but ave also allready seen a head gasket that had just blow !!

I have an Impreza and its the yellow connector under the steering wheel. Look down by the pedals, and look up. There should be a yellow connecter. Thats it.

It is in tank. Take out back seat squabs and rear luggage carpet. There should be a removeable panel usually black on the floor. the pump and sender are under this. Change pump for a Walbro 255 LpH but leave the original filter sock. It is better than the Walbro one.

I would suggest putting in a new water pump. You could take the existing one off and try to seal it but for me it would make more sense to replace it since you have the old one out. They're not too expensive. Mine was $20. You'll need a tube of high temperature gasket sealer to go around the edges of the new pump. Also, make sure you use the gasket that is with the new pump. Hope this helps ya.

Not the head gasket. Sounds like your thermostat is bad. The radiator fluid coming out of the drain pipe on your radiator means that the engine is overheating and the excess pressure is being elieved through the drain pipe.

Change the thermostat.