Originally Posted by
Johnny Wishbone
?? please explain, not something shown in the stock diff instructions. I've only seen a extra hole in the Exceede diffs, is that the same hole you're talking about? Thanks
When you drill the screw hole all the way through the oil that gets in the screw hole can escape easily through the other side. If you have too much oil inthe screw hole you sometimes endup with hydrolic locking.
this causes you to think everything is snug but it is not as you are trying to tighten screw over the compressed oil and you diff stays loose and you leak oil.
properly built diff will only loose oil through the o rings around the outdrives after sometime as the o rings start to wear and the mechanical motion carries some oil out.