Part I

WARNING: This page is about a different car, the 2021 Audi A6 Quattro, 2020 Audi A6 Quattro, and 2019 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Part II. Refer to Part II .

Fig 1: Exploded View Of Turbocharger

Courtesy of AUDI OF AMERICA, LLC

Bolt
- 25 Nm
Oil Return Line
O-Ring
- Always replace after removing.
- Coat with engine oil
O-Ring
- Always replace after removing.
- Coat with engine oil
Turbocharger
- Removing and installing. Refer to TURBOCHARGER, REMOVING AND INSTALLING .
Nut
- 25 Nm
- Always replace after removing.
- Coat the stud bolts with hot bolt paste.
Seal
- Always replace after removing.
Bracket
Coolant Return Line
Bolt
- 9 Nm
O-Ring
- Always replace after removing.
- Coat with coolant
Turbocharger Recirculation Valve -N249-
- Installation position. Refer to Fig 2.
Bolt
- 9 Nm
O-Ring
- Always replace after removing.
O-Ring
- Always replace after removing.
Bolt
- 9 Nm
Connection
Bolt
- 9 Nm

Turbocharger Recirculation Valve -N249- Installation Position

Fig 2: Identifying Installation Position Of Turbocharger Recirculating Valve

Courtesy of AUDI OF AMERICA, LLC

-- Note the installation location -arrows-.