Installed position of complete shift mechanism in transmission, up to transmission manufacture date 180503:
WARNING: This page is about a different car, the 2004 Volkswagen R32. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Installed Position Of Complete Shift Mechanism In Transmission (Up To Manufacture Date 180503)
1 - Shift fork for 3rd and 4th gears
2 - Shift fork for 1st and 2nd gears
3 - Shift fork for reverse gear
4 - Shift fork for 5th and 6th gears
5 - Selector shaft
Lower selector shaft bearing - arrow - is bolted with cap to transmission housing.