SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4 cylinder Fuel-injection engine (1.4l, 4 valves) | Enginecrankshaft group, pistons | Engine block, flanges | Crankshaft sealing flange, on the flywheel side: Replace ( Assembly tool T10017 ) | Removing the sealing flange with the sender wheel from the crankshaft

Removing the sealing flange with the sender wheel from the crankshaft

Note

t	For clarity, the process is described with the engine removed.

t	The sequence of instructions is identical with the engine mounted and the gearbox removed.

–	Remove flywheel → Chapter.

–	Position crankshaft at TDC cylinder. 1:

The notched tooth of the notched belt wheel should line up with the mark on the oil pump -arrow-.

Note

Do not confuse the marks on the seal retainer/oil pump. The notched tooth should line up with the mark coded with 4V.

–	Remove sump → Chapter.

–	Remove engine speed sender -arrow-.

–	Unscrew the attachment bolts from the sealing flange.

Note

The sealing flange and the sender crown are removed together from the crankshaft using three M6×35 mm bolts.

–	Screw three bolts M6 x 35 mm into the threaded holes of the sealing flange-arrows-.

–	Screw the screws into the sealing flange in diagonal pairs (max. ¹/₂ rotations (180°) per screw) and press the flange away from the crankshaft together with the wheel sender.