i got a 2002 AUDI a4 1.8t Quattro and i see signs of coolant leaking but cannot trace it, i cannot see it from the top or bottom, it seems like it is coming from rear of motor, and i only see slight drops on the passenger side transfer case, if anyone has had the same problem please let me know because its getting worse and i dont know where its coming from

 

follow the top hose from the radiator to the rear of the engine and tighten the hose clip

 

It's probably the coolant flange. Located on the rear of the motor.

Coolant Flange

 

ahh nice to finally see PureMs on AF!

i have fresh G12+ in my ride, thanks Mike.