Repair
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. 17: 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 268.)
3.5.3 Rocker arms housing removal and installation
Previous tasks
q Drain HT coolant.
q Remove turbochargers. (For more information see: 3.10.3 Turbocharger removal and installa‐
tion (SL 213), page 166.) .
q Remove turbocharger brackets. (For more information see: 3.10.5 Turbocharger brackets
removal and installation, page 176.) .
q Remove retaining plate. (For more information see: 3.8.4 Injector removal and installation (SL
205), page 121.) .
q Remove inlet and outlet rocker arms. (For more information see: 3.5.2 Inlet and outlet rocker
arms removal and installation, page 75.)
q Remove high pressure pipes. (For more information see: 3.8.2 High pressure pipes removal
and installation, page 112.)
Specific safety instructions
– Set cylinders to ignition TDC position.
Special tools
Special tool Designation
Coolant connector pipe tool
Tab. 18: Special tools
KD62V12 33525088601_8_1 EN_US
2022-09
© 2022 by Kohler Co. All rights reserved.
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