Repair Service and Repair Manual
Rocker arms
Reference
Key Screw specifications
Lubricant *
Reuse**
Torque Angle (°)
Step
± 5%
Step
± 5°
1 081AC ISO 4762 M12x1.75x150-10.9 O Yes 1 100 Nm
74 ft-lb
- -
Tab. 19: Tightening specifications table
*Lubricants:
MG = Molykote G-n-plus
MW = Castrol Optimol paste white T
MH = Molykote HSC
O = Engine oil
XX = Loctite 243
YY = Loctite 577
**Refer to screws reuse rules. (For more information see: 5.3.2 Screws pre-tightening, reuse and
marking, page 264.)
3.3.3 Rocker arms housing removal and installation
Previous tasks
q Drain HT coolant.
q Remove turbochargers. (For more information see: 3.8.3 Turbocharger removal and installation
(SL 233), page 165.) .
q Remove turbocharger brackets. (For more information see: 3.8.5 Turbocharger brackets
removal and installation, page 175.) .
q Remove retaining plate. (For more information see: 3.6.4 Injector removal and installation (SL
205), page 118.) .
q Remove inlet and outlet rocker arms. (For more information see: 3.3.2 Inlet and outlet rocker
arms removal and installation, page 76.)
q Remove high pressure pipes. (For more information see: 3.6.2 High pressure pipes removal
and installation, page 109.)
Specific safety instructions
– Set cylinders to ignition TDC position.
Special tools
Special tool Designation
Coolant connector pipe tool
Tab. 20: Special tools
82
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KD62V12 33525088601_7_1 EN_US
2021-07