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Newb to Ford: 9" drain plug ?

2K views 3 replies 3 participants last post by  heatstroke 
#1 ·
I have 78/79 Bronco axles under my Toyota. The rear is a 9", and it doesn't have a drain plug (but it has a fill plug). I had the gears and locker done, and now need to change the fluid. How are the 3rd member studs set in the housing? Are they threaded in, pressed in, or welded? I'm thinking I need to pop one of the lower studs out and replace it with a bolt that can be removed easily to drain the oil. Or, is it better to drill/tap/plug the bottom of the housing? Anyone got pics of what they did?
 
#3 ·
Once the 3rd is out, beat the lowest stud out (press fit) weld a nut the back side, and thread a bolt in to hold it. That way, next time you can just remove the bolt to drain it.
 
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