Removing and Installing/Replacing Rocker Arms on Left Inlet Side (N73)

11 33 516 - Removing and installing/replacing rocker arms on left inlet side (N73)





Special tools required:
- 11 9 470 11 9 470 Support





(cylinder bank 7 to 12)

Necessary preliminary tasks:
- Remove left cylinder head cover [1][2]Removing and Installing/Sealing Left Cylinder Head Cover.
- Remove inlet and exhaust adjustment unit Removing and Installing/Replacing Inlet and Exhaust VANOS on Left Side (N73) on left side.
- Remove left intermediate lever Removing and Installing/Replacing Left Intermediate Levers (N73).





Important!
Used rocker arms may only be reused in the same position.

Remove rocker arms of inlet camshaft and set aside in neat order.





Place bearing bracket with inlet camshaft and eccentric shaft as illustrated on special tool 11 9 470 11 9 470 Support.





Rocker arms (1) are now freely accessible.

Installation:
Rocker arm (1) is attached with a spring clamp on hydro-element.

Before installing bearing bracket, make sure rocker arms (1) are correctly positioned.

Observe rocker arm tolerance classes as illustrated (1 to 4).

Important!
Only rocker arms of the same tolerance class may be fitted in each cylinder on the inlet side.





Assemble engine.

Installation:
Clean all bearings and cams of inlet camshaft and lubricate with engine oil.