When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
The left side of the posi unit has a fine coating of grease.
Right hand side is clean.
I swapped out the rear end for a series II unit.
No obvious axle seal leaks but a definite smell.
I believe the vent is on the right side.