Filling a 9" with oil
#1
Filling a 9" with oil
My 9" (lol) has a drain plug in the bottom, a drain plug in the side of the centersection (both 3/8" drive) and a filler hole (?) on the back of the housing. I'm assuming I fill it to the hole on the side of the centersection and not the hole on the back of the housing?