Removing And Installing Long Flanged Shaft: Installing

Replace square sealing ring in mounting saddle.
Check flanged shaft for burrs and sharp edges on the transmission end of the shaft (arrow) and deburr if necessary.

Fig 1: Checking Flanged Shaft For Burrs And Sharp Edges On Transmission End
Courtesy of PORSCHE OF NORTH AMERICA, INC.
Carefully insert flanged shaft into the transmission.
NOTE: While being inserted, the flanged shaft must be carefully guided with the hand in order to prevent damage to the double sealing ring in the transmission.
Refill rear-axle oil.