Rocker Arm Assembly: Service and Repair

11 33 050 Removing and installing or replacing all rocker arms (N18)

Special tools required:





Important!
Rocker arms (1) are divided into bearing categories.
The tolerance classes are identified in numbers from 1 to 6.
Already used roller cam followers (1) may only be reused in the same position.





Necessary preliminary work:
^ Remove cylinder head cover.
^ Remove intermediate lever.
^ Remove exhaust camshaft.





Important!
Already used roller cam followers (1) may only be reused in the same position.





Separate roller cam followers (1) from hydraulic valve clearance compensating element and remove.

Place roller cam followers (1) in neat order on special tool 11 4 480.

Installation note:
Before installing camshafts, make sure roller cam followers are correctly seated (see arrow).




Assemble engine.