Mitsubishi Repair Problems? Ask a Mechanic for Answers ASAP
You do have a synchronizer for reverse, however it is unlikely that it is bad unless there were "events" in its past to cause that; The reverse synchro would not fail on its own, only from being forced at too high of speed (or with a failing clutch disc etc). The synchronizer has to grind to fail, basically.The second gear with the car off is not really a concern, that is somewhat typical.How is your slave cylinder throw, does it travel a considerable amount?
Was the master cylinder a factory or aftermarket replacement (we have significant issues with aftermarket masters cylinders.... no problem with aftermarket slaves though)?
It sounds like that new clutch got burned out already. If it was working fine for a while after the clutch was changed and the slave cylinder is traveling normally, there really isn't anything else to expect. Reverse is usually the first one to cause difficulty when the clutch starts to fail, and the sensation is of the synchro pushing back resisting the gear.I would try giving it another bleed of the fluid just in case, and take a look at your pedals from down low to make sure nothing looks out of place (height way off etc). If not.... You probably are going to be dealing with premature failure. It is unlikely it is anything internal to the transmission from your description.
I'm sorry I must have misunderstood your last post.In that case things change a little... I would still double check your pedal height is normal and bleed the system again.
Otherwise with the cables and clutch ruled out, then you would most likely be back at internal issues, rare as those are.
The gear is only going to be difficult to go in like that if there is internal damage (be it bad synchro/gear or bent fork), a shift cable issue (ruled out), a worn clutch (ruled out), or insufficient travel of the slave cylinder (either due to leak, air in the line or bad master... and if you bleed it out and have good travel of the slave, that would be ruled out too).If nothing comes of bleeding it and the pedal looks normal, then it woudl be time to go internal. If you found that it was a syncro you could do it yourself if you are very comfortable with this sort of work and have a bench press.