is there any difference between them??? can i just swich my junk s5 for a less junky s4 will it work? any thing to know be for i do this???

 

the S5 has a different cap location than the S4. The S4 car has a coolant cap on the thermostat neck, so it has a rad that is specific to that.

 

so if i grab the thermostat neck it will work?

 

no the thermostat neck is 2 bolt on s4 and 3 bolt on s5.
heres what S4 parts look like
http://i263.photobucket.com/albums/i...Process028.jpg
The thermostat neck is the highest part of the cooling system.
On S5, the radiator feeler neck is the highest part.

 

you need the radiator and the shroud to be of the same year. ****** the top radiator hose, and after that, its a direct bolt in.

 

well never mind the trip to the Upull kinda was looking forward to it, thanks dude for the help

 

If you want to be creative and the CORE is the only thing leaking,then get the Rad from the Pick-a-part and take the Plastic pieces off the Core,.and put them on the usable core.
They are held on by Little fork like metal Tabs that compress the plastic to the Core,
Undo all those little tabs with a screw drive and BOB's Your Uncle!..it comes right off.
I did it,it works,,use some RTV on assembly,the Rubber O gasket may be Flattened a bit,(you'll see what I mean if you take the plastic top off the Core.)
Good Luck.