SEAT Workshop Service and Repair Manuals > Leon Mk1 > CVT automatic gearbox 01J | Final drive, differential, differential lock

Input shaft oil seal: replace

t	If ATF emerges at underside of gearbox bell housing, oil seal for input shaft and/or ATF breather pipe may be leaking. Please establish the actual cause before replacing the part.

t	The radial shaft seal of the input shaft must be replaced when it leaks .

t	The ATF breather pipe must be renewed if leaking → Chapter.

Note

t	Cleaning norms when working on automatic gearbox. → Chapter

t	General repair instructions. → Chapter

Check the tool and equipment equivalence table according to the applicability between Seat / VW / Audi / Skoda → Chapter

Special tools and workshop equipment required

t	Seal extractor -T40014-

t	pressure tool -T40015-

Operation process

l	Gearbox is removed.

–	Turn in the oil seal extractor -T40014- into the radial shaft seal by hand until the tool engages in the radial shaft seal. Then tighten tool using an open-end spanner.

–	Screwing in the rear bolt of the oil seal extractor will allow you to pull the shaft seal out a little.

–	Then tighten again using open-end spanner so that extractor once more engages securely in the oil seal. Screw in the rear part of the extractor once more to pull the oil seal out a bit further.

–	Repeat procedure until oil seal is pulled out all the way.

Note

Input shaft must be installed prior to installing oil seal.

–	Lubricate new oil seal with ATF.

–	Slide oil seal -A- onto input shaft with open side facing gearbox.

Note

Push oil seal as far as possible into cover to prevent it from jamming (tilting) when being driven in.

–	Drive seal with thrust piece -T40015- as far as the stop.

SEAT Workshop Service and Repair Manuals