Overview - Turbocharger

WARNING: This page is about a different variant/trim than selected.

Part 1

Part 2. Refer to Part 2 below.

Fig 1: Exploded View Of Turbocharger (Part 1)

Courtesy of AUDI OF AMERICA, LLC

Bolt
- 9 Nm
Oil Return Line
Gasket
- Replace after removing.
Turbocharger
- One unit with the exhaust manifold
- Removing and installing. Refer to TURBOCHARGER, REMOVING AND INSTALLING .
Nut
- Tightening specification and sequence. Refer to Fig 2.
Retaining Plate
Gasket
- Replace after removing.
O-Ring
- Replace after removing.
Bolt
- 9 Nm
Oil Supply Line
O-Ring
- Replace after removing.
Bolt
- 9 Nm
Retaining Plate
Tensioning Bracket
- Remains installed when removing the turbocharger
Bolt
- 9 Nm
O-Ring
- Replace after removing.
Bolt
- 9 Nm
Coolant Supply Line
O-Ring
- Replace after removing.
Nut
- Tightening specification and sequence. Refer to Fig 3.
- Replace after removing.
Bolt
- 9 Nm
Coolant Return Line
O-Ring
- Replace after removing.
Bolt
- 9 Nm
Bolt
- 9 Nm

Turbocharger - Tightening Specification and Sequence

Fig 2: Turbocharger Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts in steps in the sequence shown:

Step	Nuts	Tightening Specification
1.	-1 to 6-	15 Nm
2.	-5, 3, 1, 2, 4 and 6-	25 Nm
3.	-5, 3, 1, 2, 4 and 6-	30 Nm ¹⁾
4.	-5, 3, 1, 2, 4 and 6-	30 Nm ¹⁾
¹⁾ These measures take into account the shrinkage of the turbocharger seal.

Turbocharger Tensioning Bracket - Tightening Specifications and Tightening Sequence

Fig 3: Turbocharger Tensioning Bracket Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the nuts in the sequence shown -1 to 6- to 30 Nm.

Heat Shield - Tightening Specification

Fig 4: Heat Shield

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts to 9 Nm.

Vacuum Diaphragm - Tightening Specifications:

Fig 5: Vacuum Diaphragm

Courtesy of AUDI OF AMERICA, LLC

Part 2

Part 1. Refer to Part 1 above.

Fig 6: Exploded View Of Turbocharger (Part 2)

Courtesy of AUDI OF AMERICA, LLC

Bolt
- 9 Nm
Turbocharger
- One unit with the exhaust manifold
- Removing and installing. Refer to TURBOCHARGER, REMOVING AND INSTALLING .
Bolt
- 9 Nm
Line
- For the crankcase ventilation
Air Duct Pipe
Air Duct Pipe
Bolt
- 9 Nm
Seal
- Replace after removing.
- Clip to the air duct pipe
Vacuum Line