t56 shift problem

As the title says, when running and on take off it will not go into 1st gear. I can put it in 2nd and then it will go into first, but from neutral its like there is a wall not lettting the shifter go into 1st. I dont hear any wierd sounds nor do i beat on her to hard. Just went to leave the...

So like the title says, i just recently started noticing that its beginning to get hard to shift into 1st and reverse but only when the transmission warms up. In the morning it slips right into gear but as i drive to work it begins to give me trouble.. any suggestions?.. also when i push the...