Audi Workshop Service and Repair Manuals

Renewing oil seal for flange shaft (rear)

Special tools and workshop equipment required

t	Thrust plate -VW 401-

t	Thrust plate -VW 402-

t	Thrust plate -VW 447 i-

t	Press tool -VW 409-

t	Fitting tool -T10136-

Procedure –  Remove cover for self-locking centre differential → Chapter.

–  Remove circlip -arrow- on inner side of cover.   Note The circlip locates the flange shaft on the bearing in the cover.

–  Using press tool -VW 409-, press flange shaft out of cover for self-locking centre differential; to do so, place cover on thrust plate -VW 401- and thrust plate -VW 402-.   Note Hold flange shaft -A- with one hand to prevent if falling.

–  Pry out oil seal.   Note To prevent damage to the housing, place something underneath (e.g. metal bar -A-) .

–  Place cover -A- for self-locking centre differential on fitting tool -T10136-.   Note The peg in the middle of the tool is centered and faces upwards in the cover. It serves as a guide and stop for press tool -T10136/1-. –  Lubricate outer circumference of seal with gear oil –  Push new oil seal onto press tool -T10136/1-. l  Installation position: the open side of the seal should face the cover.

–  Insert press tool -T10136/1- with oil seal into cover from above.   Note The peg of the fitting tool -T10136- serves as a guide from below and also as a stop for press tool -T10136/1-. –  Drive in new oil seal onto stop (take care to keep oil seal straight). –  Pack space between sealing lip and dust lip half-full with sealing grease -G 052 128 A1-.

–  Press flange shaft with press tool -VW 409- and thrust pad -VW 447 i- into cover for self-locking centre differential; to do so, place cover on thrust plate -VW 401- and thrust plate -VW 402-.   Note Only insert flange shaft as far as necessary to install circlip.

–  Install circlip -arrow- in groove of flange shaft on inner side of cover. –  Install cover for self-locking centre differential → Chapter. –  Fill up gear oil in transfer box → Chapter