This Audi Q7 2018 Black Edition TDI Auto with the 3.0L diesel engine came into the workshop after the customer suspected a timing chain issue. What we discovered once we began stripping it down was far more shocking than anyone expected. Somehow, against all odds, the engine was still running but it was only a matter of time before complete failure. In this video, Gytis takes you through the process of dismantling the top and bottom of the engine to reveal the real extent of the damage. The shoc