11 65 020 Removing and installing/replacing exhaust turbocharger (M57T2)
Only perform these tasks on an engine that has cooled down.
Necessary preliminary tasks:
- Remove acoustic cover . See 13 71 150 REMOVING CLEAN AIR PIPE (M57T2) ; 1161360 REMOVING AND INSTALLING/REPLACING RIGHT PRESSURE PIPE (CHARGE AIR HOSE) (M57T2)
- Remove diesel particulate filter. See 18 31 080 REMOVING AND INSTALLING/REPLACING DIESEL PARTICULATE FILTER (M57T2)
- Remove right pressure pipe . See 13 71 150 REMOVING CLEAN AIR PIPE (M57T2) ; 1161360 REMOVING AND INSTALLING/REPLACING RIGHT PRESSURE PIPE (CHARGE AIR HOSE) (M57T2)
- Remove intake duct for intake noise damping
- Disconnect clean air pipe . See 13 71 150 REMOVING CLEAN AIR PIPE (M57T2) or 13 71 150 REMOVE THE CLEAN AIR PIPE (M57T2 WITH AND WITHOUT SCR) between air-mass sensor and turbocharger
- Pressure pipes
- Intercooler
- Intake plenum
must be checked for foreign bodies, damage and operation.
Release banjo bolt (1).
Installation
Tightening torque 11 42 2AZ in 11 42 OIL FILTER AND PIPES .
Replace sealing rings.
Disconnect plug connection (2).
Release clamp (3).
Installation
Replace clamp.
Tightening torque, see 11 65 1AZ in TURBOCHARGER AND CONTROL (M57TU) .
Clean sealing surfaces.
Release screw (1) from oil return line.
Remove oil return line.
Tightening torque 11 42 3AZ in 11 42 OIL FILTER AND PIPES .
Release screw (1).
Release bolt (2) and remove turbocharger (3).
Installation
Replace gasket between turbocharger and exhaust manifold.
If necessary, replace turbocharger.
Modify oil return passage.
Release oil line banjo bolt (1).
Installation
Tightening torque 11 42 2AZ in 11 42 OIL FILTER AND PIPES .
Replace sealing rings.
Oil line (2) must run parallel to housing.
Assemble engine.