Replacing Valve Stem Seals - Skoda OCTAVIA MK1 Service Manual

Replacing valve stem seals

l Cylinder head fitted
Special tools and workshop equipment required
t Extractor -MP 1-206-
t Pressure hose -MP 1-210-
t Valve lever -MP 1-211-
t Insertion tool -MP 1-212-
t Assembly device for valves -MP 1-213-
Removing
– Remove the camshaft
Remove bucket tappets (do not interchange) and lay aside with the contact surface facing
–
down.
– Unscrew the spark plugs.
– Position piston of the relevant cylinder in bottom dead centre.
Insert the assembly device -MP 1-213-
– and adjust bearing to the stay bolt
height.
Screw the pressure hose -MP 1-210- into
– the spark plug thread and apply constant
pressure of at least 0.6 MPa (6 bar) in the
cylinder.
Remove valve springs with valve lever
–
-MP 1-211 -.
Note
If valve collets are tight, slacken with slight
blows of a hammer on the valve lever.
→ Chapter.
78