SEAT Workshop Service and Repair Manuals > Leon Mk1 > 09G automatic gearbox | Final drive, differential, differential lock | Seals for flanged shafts: replace

Procedure

Note

t	Cleaning norms when working on automatic gearbox → Chapter.

t	General repair instructions → Chapter.

–	Install the left hand side complete half-shaft → Running gear, front-wheel drive and 4WD; Rep. Gr.40.

–	Cover the opening in the gearbox for the complete half-shaft using a clean cloth -A-.

–	Fit tray -T20173- beneath gearbox.

–	Using a commercially available metal drill bit -B- (2 to 4 mm of Ø), drill a hole in the ring of the ring-seal outer plate.

Note

Only the plate ring should be drilled; otherwise the gearbox may be damaged.

–	Extract the ring-seal by levering on the hole -C-.

Note

When doing this, fit a base -B- on the surface of the gearbox to avoid damage.

–	Remove the cloth -A- and thoroughly clean the gearbox.

WARNING

There should be no metal shavings in the gearbox nor in the opening for the complete half-shaft; if so, these must be removed by vacuuming.

If, by levering, only the plate ring could be removed from the ring-seal:

–	Extract the remains of the ring-seal using a screwdriver as a lever -A-.

–	Smear the outside circumference and the lips of the seal with ATF.

l	Installation position: the open side of the seal faces the gearbox.

–	Fit the new seal by hand so that it is straight then press it in as far as possible so that the ring-seal is secured in the gearbox housing.

–	Fit the pressure tool -T10176- centred on the ring seal -A-.

–	Insert the seal ring, without tilting it until the pressure element is at the limit.

–	Install the left hand side complete half-shaft → Running gear, front-wheel drive and 4WD; Rep. Gr.40.

–	ATF level: checking and filling → Chapter

SEAT Workshop Service and Repair Manuals