So I'm pretty sure my transmission's shot, but at just under 180k I guess I'm not surprised. Aside from slipping and erratic shifts it's also making an obnoxious rattling. I initially thought it was rod knock or lifter noise, but I noticed last night while parked with the window down that it changes depending on which gear I'm in.
It's more or less gone in Park or Neutral, while Reverse, Drive, Third, and Second all have the same horrible rattling. First is even worse; the rattling continues but sounds like someone started banging an empty can on a piece of wood in time with it. I can barely hear any of this with the windows up.
So my question is can it be repaired, and how extensive would the repair be, or should I just find a replacement?