Rocker Arm Assembly: Service and Repair

11 33 050 Removing And Installing Or Replacing All Rocker Arms (N16)

Special tools required:







Necessary preliminary tasks:
- Remove cylinder head cover.
- Remove intermediate lever.
- Remove exhaust camshaft.







IMPORTANT:
Rocker arms (1) are divided into bearing categories.
The tolerance classes are designated as illustrated with numbers from 1 to 5.
Already used rocker arms (1) may only be reused in the same position.







Remove hydraulic tappet in direction of arrow.

Installation note:
If the hydraulic tappets are to be reused, place them in order in special tool 11 4 480 together with the roller cam followers.







IMPORTANT:
Rocker arms (1) are divided into bearing categories.
The tolerance classes are designated as illustrated with numbers from 1 to 5.
Already used rocker arms (1) may only be reused in the same position.

Separate roller cam followers (1) from hydraulic tappets and remove.
Place roller cam followers in order in special tool 11 4 480.

Installation note:
Before installing exhaust camshaft and intermediate lever, make sure roller cam followers are correctly seated (see arrows).







Assemble engine.
Check function of DME engine management module and recheck uniform distribution if necessary.