2.
Use torque wrench to tighten screw connections (2) on bellows (1) in mixture line crosswise to specified
tightening torque.
a) Screw connections on 12V
Name
Size
Type
Lubricant
Value/Standard
Screw connection
M16
Tightening torque
60 Nm +5 Nm
b) Screw connections on 16V
Name
Size
Type
Lubricant
Value/Standard
Screw connection
M16
Tightening torque
30 Nm +3 Nm
3.
Use torque wrench to tighten screw connections (4) on bellows (3) in exhaust system crosswise to specified
tightening torque.
Name
Size
Type
Lubricant
Value/Standard
Screw connection
M16
Tightening torque
(Assembly compound
(Ultra-Therm MTU))
(Assembly compound
(Molykote P 37))
30 Nm +5 Nm
4.
Coat studs (5) on exhaust turbocharger with
assembly compound (Molykote P 37).
Note:
Flange segments (3) are used on 12 V en-
gines, while 16V engines feature one flange
(3).
5.
Position exhaust elbow (2) with flange (3) and
gasket (4) on exhaust turbocharger.
Note:
Use new nuts (6).
6.
Screw on nuts (6) and use torque wrench to tighten to specified tightening torque.
a) Screw connections on 12V
Name
Size
Type
Lubricant
Value/Standard
Nut
Tightening torque
(Assembly compound
(Molykote P 37))
40 Nm +5 Nm
b) Screw connections on 16V
Name
Size
Type
Lubricant
Value/Standard
Nut
Tightening torque
(Assembly compound
(Molykote P 37))
65 Nm +5 Nm
MS150098/03E 2018-04
| Exhaust Turbocharger | 171
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