Roll Pin with Groove (short roll pin): Removing and Installing
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 Volkswagen Jetta, 2009 Volkswagen Jetta, 2008 Volkswagen Jetta, 2007 Volkswagen Jetta, and 2006 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
Removing
-- Cover the bearing inner race/tapered roller bearing and speedometer drive gear to prevent damage and to keep metal shavings from getting in.
-- Remove the adapter sleeve using a chisel.
Installing
-- Drive into the differential housing up to the stop.