There is a plug on the front of the case. Usually a 3/8" square socket plug. Could be dirty enough not to see. Keep looking!
The fill plug is on the end of the differential. To access this, you will need to crawl underneath your car, and lok at the middle of the axle. There are two plugs on the differential; a drain and a fill plug. The Fill plug is obviously the plug closer to the roof of the car.
It has no differential plug.
Remove the fill plug, pump or squease in lube until fluid comes out of fill plug hole, replace fill plug.
THere is a fill plug located approximately 2\3rd up from bottom. fill differential with Diff oil until level with bottom of the plug.
where is fill plug located on 1994 mustang gt, rear diff
Yes, you can find one the side of the differential facing the trunk.
It is a rubber plug in the front cover.
there is only a fill plug on this differential. The only 2 ways of removing the fluid is by removing the 10 bolts that hold on the diff. cover, or a hand pump that can suction the fluid out through the fill plug hole.
Pull out the fill plug, the level of the fluid should be up to the fill hole.
It is in the center of the cover on the rear.
The rear axle fill plug is the rubber plug in the rear differential cover. Fill the fluid to the bottom of the hole. 75w90 or 80w90, if posi it requires a limited slip additive.
I have a Yamaha 350 big bear, and differential drain plug is on the bottom of the differential. Just remove the plug and let it drain, put the plug back in and fill it back up... i use just regular gear oil