Use pulling device -MP 1-206- to pull off
–
valve stem seals.
Install
To avoid damaging the new valve stem
–
seals insert plastic bushing -A- on the
valve stem.
Insert valve stem seal -B- in the insertion
–
tool -MP 1-212-, oil sealing lip and
carefully push onto the valve guide.
–
Remove plastic sleeve.
Note
After installing the camsaft, the engine
must not be started for about 30
minutes. The hydraulic clearance
t
compensation elements must settle
(otherwise valves would strike the
pistons).
After carrying out work on the valve gear,
carefully crank engine at least 2
t
revolutions to ensure that no valve
touches the piston when the engine is
started.
Inspect valve guides
Special tools and workshop equipment required
t
Universal dial gauge holder -MP 3-447-
t
Dial gauge
Procedure
79