SEAT Workshop Service and Repair Manuals > Leon Mk1 > 4-speed automatic gearbox 099, four-wheel drive | Final drive, differential, differential lock | Renewing bevel box output flange oil seal (bevel box removed)

Renewing bevel box output flange oil seal (bevel box removed)

–	Remove bevel box first → Chapter.

Special tools and workshop equipment required

t	Crankshaft seal insertion tool -VW 204 B-

t	Drift sleeve -40 - 20-

t	Gearbox support -3221-

t	Support plate -3221/1A-

t	Torque wrench -V.A.G 1601-

t	Three arm puller -Kukko 45-2-

Modifying gearbox support -3221-

A new hole is required in gearbox support -3221- to secure bevel box on assembly stand.

Dimensions are given in mm.

–	Drill an 11 mm Ø hole -arrow- in gearbox support.

–	Secure bevel box in gearbox support.

Place nut M12 -B- onto bolts 10 x 50 between gearbox and bracket.

–	Remove hexagon nut using socket -A-.

–	Make sure that support plate -3221/1A- is supported on bracket -arrow- when undoing and tightening.

–	Remove output flange.

A -	Three arm puller -Kukko 45-2-

–	Lever out oil seal using a screwdriver.

–	Place old oil seal over new one when driving in.

–	Drive new oil seal in flush.

–	Install output flange and tighten to 475 Nm.

–	Install bevel box → Chapter.

–	With gearbox installed, check gear oil level in final drive → Chapter.

SEAT Workshop Service and Repair Manuals