Audi Workshop Service and Repair Manuals

Renewing ball bearing for input shaft Special tools and workshop equipment required

t  Thrust plate -VW 401-

t  Tube -VW 416 B-

t  Tube -2010-

t  Thrust piece -T40099-

Procedure l  Cover for input shaft is removed → Chapter. l  Thrust piece -T40099- has been modified for use with multitronic gearbox 0AW, front-wheel drive → Chapter. –  Remove circlip -1-. –  Measure and note down thickness of circlip once removed.   Note When installing ball bearing, replace circlip with a new one of the same thickness.

–  Position input shaft cover -1- on thrust piece -T40099- and place beneath hydraulic press. –  Press ball bearing for input shaft out of input shaft cover using tube -VW 416 B-.   Note t  In some cases, the input shaft ball bearing can be pressed out by hand without using the hydraulic press. t  The input shaft ball bearing must be renewed.

Caution Check the input shaft cover → Fig.. –  If contact surface or cover is damaged, renew input shaft cover.   Note New input shaft covers are already fitted with a new ball bearing.

–  If contact surface and cover are not damaged, renew input shaft ball bearing -2-. –  Clean ball bearing seat in cover.   Caution Ball bearing cage must face downwards into input shaft cover. Open side of ball bearing must face upwards, i.e. balls in bearing must be visible on insertion. –  Fit ball bearing so that it is seated flush and then press in by hand straight and as far as possible.

Caution Risk of damage to input shaft cover To ensure that the input shaft cover rests flat on thrust plate -VW 401- make sure that the cast lug -arrow- is located in an aperture in the thrust plate.

–  Place input shaft cover on thrust plate -VW 401-. –  Press input shaft ball bearing in as far as stop using tube -2010-.

–  Replace circlip -1- with a new one of the same thickness when installing. –  Check correct positioning of the circlip. If necessary, press in the ball bearing further or use the next thinnest circlip.