A3 (8PA) L4-20L Diesel Turbo (CBEA) (2011) - Turbocharger Technical Service Bulletins: Page 656
1. Perform a visual check of the turbocharger. Make sure that the stud with clamp nut is on the turbocharger.
2. If the stud or clamp nut is missing, replace the turbocharger.
WARRANTY
REQUIRED PARTS AND TOOLS
ADDITIONAL INFORMATION