[Hairechest]

I'm fairly new to fixing my own car. I bought this Geo with the intention of teaching myself. Please forgive a rookie mistake.

I bought the CV axle replacement, it was a rebuild. Looked online and read/watched video on how to replace it. Bought the tools, took the old one out and put the new one in. The original nut didn't fit, made me nervous. I road down the block and it made a scraping noise (which was only a brass collar scraping on the axle near the wheel - it sounded like the brake was jarred out of alignment is all), so I parked it. As I was backing in to my parking spot all the transmission fluid came out.

I had the right box, with the wrong part in it. I now have the right part (for the left side, not the right). The problem is, it won't seat into the transmission crank case. Looking into the hole, there seems to be a brass rod horizontally across the inside blocking my CV joint from going back in.

How screwed am I?