The small cracks of the plastic housing soon developed into full leaks. Be on the lookout for coolant leaks, low coolant faults codes, fluid build-up around the water pup and an overheating engine. Excessive oil consumption. This was a big problem on the Audi A4 B8 model that ended in a lawsuit and an extension of Audiās warranty.
VW 3.0 V6 TDI Engine Problems and Reliability. The technically sophisticated 3.0 TDI requires a lot of effort and money for any repair. Based on consumer reports, unfortunately, the 3.0 TDI V6 is almost unable to pass 200,000 miles without an overhaul. Often serious problems begin to appear after only 100,000 miles. iRcZO1l.