Overview - Turbocharger, Part 1

WARNING: This page is about a different car, the 2024 Audi A3 Quattro and 2024 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 Electronic 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 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