Posted by Vaughn on Monday, August 23, 2004 at 9:24PM :
In Reply to: Pinion Seal on 57 wm300 posted by Form-man on Monday, August 23, 2004 at 8:14PM :
Manny is right, wobbly pinion shaft will leak oil out the seal. Grab the yoke and see if it has side play by moving it from side to side. If it does, you need to re-adjust the bearings.