front differential oil level???

i changed the front differential oil a few moths ago, and now it is leaking oil pretty bad from the axle seals. i think i may have over filled it. the level plug sits quite high on the differential, but that was where i figured i had better fill it to. is this the correct level? if not, how do i set the level correctly. i would like to make sure i have the level correct before i start ripping the entire housing out to replace the seals, and then have to do it all over again because i put to much oil back in it again! if it is correct. then i have a big job ahead of me. and yes, i did check the vent hose to make sure it is venting properly. that would have been to easy. welcome, but to easy.

i changed the front differential oil a few moths ago, and now it is leaking oil pretty bad from the axle seals. i think i may have over filled it. the level plug sits quite high on the differential, but that was where i figured i had better fill it to. is this the correct level? if not, how do i set the level correctly. i would like to make sure i have the level correct before i start ripping the entire housing out to replace the seals, and then have to do it all over again because i put to much oil back in it again! if it is correct. then i have a big job ahead of me. and yes, i did check the vent hose to make sure it is venting properly. that would have been to easy. welcome, but to easy.

oil level should be at level of hole, just dribbling out.

actually, i found it in a manual. it is supposed to be 1" BELOW the hole when everything is "cold" and at the hole (level) when everything is up to normal operating temperature. which i guess is great for repair shops, but kind of a pain for home mechanics. first of all, taking it for a drive before checking the level, then getting the vehicle raised up and leveled.