I have to replace my engine coolant every other day. It seems to leak when im not driving it. I saw a steady stream of coolant leaking from right behind the engine on the bottum, it looked like a little metal piece that it was coming out of. What would that be and what could i do to fix the problem/

 

When mine was leaking real bad last fall it appeared to be coming out of the same area you are talking about but the leak was behind the top of the motor towards the firewall there is some kind of reservoir or something back there that was cracked and just dumping fluid! Make sure that you find where the leak is, might just be a hose or something popped off.

 

when mine was leaking out it was out of the water pump

 

check your coolant tank audis coolant tank tend to crack due to the age of the car.

 

Well since you said it's at the back of the engine it sounds like it could be your coolant flange. I had a similar issue after I drove my car cross country. I wasn't loosing that much g12 but still a decent amount.

 

Help, there is a hard metal line that goes into the turbo and works its way along side the engine and to the back. Its leaking in the back. i put my hand there and i can feel it dripping. what would be happening