Overview - Turbocharger, Part 1
WARNING: This page is about a different variant/trim than selected.
- 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 .
- After removing and installing or replacing an adaptation must be performed. Refer to PERFORM ADAPTATIONS AFTER COMPONENT REPLACEMENT .
- Nut
- 8 Nm
- Control Rod
- Nut
- 8 Nm
- Locking Spring
- Replace after removing
- Ball Socket
- Bolt
- 9 Nm
- Locking Plate
- Replace after removing
- Installing. Refer to Fig 2.
- Quantity: 2
- Nut
- Tightening specification and sequence. Refer to Fig 1.
- Replace after removing
- Coat the threaded pins with hot bolt paste. Refer to the Parts Information.
- Seal
- Replace after removing
- Threaded Pin
- Tightening Specification
- If reusing the cylinder head: 25 Nm
- If replacing the cylinder head: 27 Nm
- Tightening Specification
- 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
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.