Position centre differential housing in such a way that the flange shaft does not make contact with thrust plates -VW 401- and -VW 402- when it is pressed out.
Lever out oil seal -1-.
Note
-Item 2- can be disregarded.
Installing oil seal
Lightly lubricate outer circumference of oil seal and drive in onto stop. Make sure oil seal remains straight.
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Pack space between sealing lip and dust lip half-full with sealing grease -G 052 128 A1-.
Press in flange shaft.
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Ball bearing for flange shaft must be installed.
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When pressing in, drift sleeve -30 - 100- must press against inner race of ball bearing.