Overview - Turbocharger, Part 1
WARNING: This page is about a different car, the 2024 Audi Q5 e, 2024 Audi Q5, 2023 Audi Q5 e, and 2023 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.
- O-Ring
- Replace after removing
- Turbocharger Recirculation Valve -N249-
- Assembly is only possible in one position because of the offset holes
- Removing and Installing. Refer to Turbocharger Recirculating Valve -N249-, REMOVING AND INSTALLING .
- Bolt
- 9 Nm
- O-Ring
- Replace after removing
- Coat with coolant
- Bolt
- 9 Nm
- Coolant Return Line
- Locking Spring
- Replace after removing
- Ball Socket
- Charge Air Pressure Control Module -GX34-
- Removing and Installing. Refer to Charge Air Pressure Control Module -GX34-, REMOVING AND INSTALLING .
- Nut
- 8 Nm
- Control Rod
- Nut
- 8 Nm
- Locking Spring
- Replace after removing
- Ball Socket
- Bolt
- 8.5 Nm
- Locking Plate
- Replace after removing
- Quantity: 2
- Installing. Refer to Fig 4.
- Nut
- Replace after removing
- Coat the threaded pins with hot bolt paste. Refer to the appropriate Electronic Parts Information.
- Tightening specification and sequence. Refer to Fig 3.
- Seal
- Replace after removing
- Threaded Pin
- Screw-in depth and tightening specification. Refer to Fig 2.
- Turbocharger
- Removing and Installing. Refer to TURBOCHARGER, REMOVING AND INSTALLING .
- O-Ring
- Replace after removing
- Coat with engine oil
- Oil Return Line
- O-Ring
- Replace after removing
- Coat with engine oil
- Bolt
- 25 Nm
- Bolt
- 9 Nm
Check the Screw-in Depth of the Threaded Pin
-- Tighten the threaded pin -1- to 23 Nm.
-- Measure the dimension -a- of the sealing surface of the cylinder head to the collar on the threaded pin.
- At dimension -a- less than or equal to 2.4 mm: tightening specification 23 Nm OK
- At dimension -a- more than 2.4 mm: tightening specification 27 Nm.
Turbocharger - Tightening Specification and Sequence
- 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 Install the Locking Plates
- Pay attention to distortion of the sprockets.
The locking plates are pressed onto the nuts using the following tools:
- Pry bar
- 1 /2 "- EGR Temp. Sensor Socket - 14mm with extension
- Hammer
- Wrench - 14 mm
-- Press on the locking plates for easy accessible nuts using the 1 /2 "- EGR Temp. Sensor Socket - 14mm with extension and the hammer.
-- Press on the locking plates for difficult accessible nuts using the Wrench - 14 mm and the pry bar, at the same time support the pry bar on the turbocharger.
- 9 Nm