Skoda Fabia Engine Valve Stem Seal Replacement

Replacing valve stem seals

l	Cylinder head fitted

Special tools and workshop equipment required

t	Extractor -MP1-206 (3047 A)-

t	Pressure hose -MP1-210 (VW 653/3)-

t	Valve lever -MP1-211 (VW 541/1a/5)-

t	Insertion tool -MP1-212 (3129)-

t	Assembly device for valves -MP1-213 (2036)-

t	Spark plug wrench, e.g. -3122 B-

t	Extractor -T10112A-

Note

With cylinder head removed, place cylinder head onto the valve supporting plate -MP1-218-.

Removing

–	Remove the camshaft → Chapter.

–	Remove bucket tappets (do not interchange) and lay aside with the contact surface facing down.

–	Detach the spark plug connector using the extractor -T10112- and unscrew the spark plugs with the spark plug wrench -3122 B-.

–	Position piston of the relevant cylinder in bottom dead centre.

–	Insert the assembly device -MP1-213- and adjust bearing to the stay bolt height.

–	Screw pressure hose -MP1-210- into the spark plug thread and apply a constant air pressure to the cylinder.

Specified value of air pressure: at least 0.6 MPa (6 bar)

–	Remove valve springs with valve lever -MP1-211-.

Note

If valve collets are tight, slacken with slight blows of a hammer on the valve lever.

–	Use pulling device -MP1-206- to pull off valve stem seals.

Press sleeve -1- down slightly during this step.

Install

–	To avoid damaging the new valve stem seals insert plastic bushing -A- on the valve stem.

–	Insert valve stem seal -B- into the insertion tool -MP1-212- and carefully push onto the valve guide.

–	Remove plastic sleeve.

Note

t	After installing the camshaft, the engine must not be started for about 30 minutes. The hydraulic clearance compensation elements must settle (otherwise valves would strike the pistons).

t	After carrying out work on the valve gear, carefully crank engine at least 2 revolutions to ensure that no valve touches the piston when the engine is started.

Skoda Fabia Workshop Service & Repair Manuals