Hi there, At present I have a MK 3 VR6 Golf, The shell and the interior are mint, the engine however is not running, the big ends have went. I have aquired a VR6 engine to replace the current engine... the new engine runs air condition where as the current engine does not, I want to replace the engine but I dont want to run the air condition. I have had some problems that I have managed to overcome, however some still exist. Below the injector port in cylinder 3 + 4 there is a port leading to a valve and then down through a hose (I think this is linked to the air con - or possibly an AGR va