Overview - Turbocharger, Part 1

WARNING: This page is about a different car, the 2022 Audi S3, 2022 Audi RS 3, 2022 Audi A3 Quattro, and 2022 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Exploded View Of Turbocharger (1 of 2)

Courtesy of AUDI OF AMERICA, LLC

O-Ring
- Replace after removing
Venturi Injector
Bolt
- 9 Nm
O-Ring
- Replace after removing
Connection
Bolt
- 9 Nm
O-Ring
- Replace after removing
Bolt
- 9 Nm
Turbocharger Recirculation Valve -N249-
- Removing and Installing. Refer to Turbocharger Recirculating Valve -N249-, REMOVING AND INSTALLING .
- After dismounting, check the O-ring for damage
Turbocharger
- Removing and Installing. Refer to TURBOCHARGER, REMOVING AND INSTALLING .
Bolt
- 9 Nm
Ball Socket
Locking Spring
- Replace after removing
Nut
- 8 Nm
Control Rod
Nut
- 8 Nm
Locking Spring
- Replace after removing
Ball Socket
Charge Air Pressure Control Module -GX34-
- Consists of
  - Charge Air Pressure Actuator -V465-
  - Charge Air Pressure Actuator Position Sensor -G581-
- Before removing the Charge Air Pressure Control Module -GX34- from the turbocharger, it must be insured that it is available separately. Refer to the Parts Information.
- Removing and Installing. Refer to Charge Air Pressure Control Module -GX34-, REMOVING AND INSTALLING .
Connection
- After dismounting, check the O-ring for damage
Bolt
- 9 Nm
Hose Clamp
Air Duct Hose

Turbocharger - tightening specification and sequence

Fig 2: Turbocharger - Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

Replace the nuts after removing.

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

Step	Nuts	Tightening Specifications
1.	-1 to 4-	Install all the way by hand
2.	-1 and 2-	10 Nm
3.	-3 and 4-	25 Nm
4.	-1 and 2-	25 Nm