11 33 050 Removing and installing/replacing all cam followers
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 rocker arms (1) may only be reused in the same position.
A classification is not necessary in the N54 engine; in the event of replacement, all numbers from 1 to 6 can alternatively be installed.
The tolerance classes are identified in numbers from 1 to 6.
Already used rocker arms (1) may only be reused in the same position.
A classification is not necessary in the N54 engine; in the event of replacement, all numbers from 1 to 6 can alternatively be installed.
Necessary preliminary tasks:
- Remove CYLINDER HEAD COVER .
- Remove INLET CAMSHAFT .
- Remove EXHAUST CAMSHAFT .
Detach roller cam followers (1) from HVCA element and remove.
Set down roller cam followers in tidy and orderly fashion; if necessary, set down in special tool 11 4 480 .
Installation note:
Before installing exhaust and inlet camshafts, make sure roller cam followers are correctly seated.
Remove HVCA element in direction of arrow.
Installation note:
If the HVCA elements are to be reused, set them down if necessary in special tool 11 4 480 in a tidy and orderly fashion with the roller cam followers.
Assemble engine.