Pressing On Synchronizer Hub With Locking Collar For 3RD And 4TH Gears
WARNING: This page is about a different car, the 2009 Audi TT and 2008 Audi TT. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Tool Assembly To Press On 3rd And 4th Gear Synchro-Hub With Locking Collar