SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4-Cylinder injection engine (1.4 l engine) | Engine cylinder head, valve gear | Valve control | Replacing valve shaft seals.

Removal:

(with cylinder head in place)

–	First remove the two notched belts → Chapter.

–	Then remove the camshaft housing → Chapter

–	Remove roller rocker arms and place on a clean surface. Ensure that roller rocker arms are not mixed up.

–	Remove spark plugs with spark plug spanner-3122B-.

–	Set piston of the respective cylinder to “bottom dead centre”.

–	Fit the assembly device -3362- with the pressure piece -3362/1-.

–	Screw the pressure hose -VW 653/3- into the spark plug thread.

–	Connect pressure hose to a compressed air system of at least 6 bar of compressed air and remove valve springs.

–	Pull off valve stem seals with extractor -3364-.

SEAT Workshop Service and Repair Manuals