pinion seal replacement

[ronman327]

can the seal be replaced without taking diff out of the carrier and how to do it

 

[MYBAD79]

Here's a link to Gary's (GTR1999) paper about the seal replacement on the earlier iron differentials. I am not sure how much different the process is with a later aluminum differential but hopefully the paper and the photos help:

http://vettemod.com/forum/showthread.php?t=126