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Note:
The adjusting shim is calibrated and cannot be exchanged for a different shim.
5. Carefully pull out gasket with special tool VW 681.
Note:
Special tool VW 681 must be applied behind the two sealing lips of the sealing ring. Do not apply to the outer circumference of the sealing
ring, since otherwise the contact area in the transmission housing will be damaged. While levering it out, guide lever carefully.
Installation
1. Check seat of sealing ring in transmission housing for damage.
2. Thinly coat outer circumference and sealing lip of sealing ring with Vaseline.
3. Push sealing ring onto the special tool so that the projecting sealing lip (arrow) faces the special tool.
4. Drive sealing ring in to the stop with special tool 3383.
This is a source reference. Confirm exact model applicability in the original material.