today i was driving and shifted into 3rd and 4th gear and it was as if i was putting it into nuetral. i still have 1st 2nd and reverse. i have tried to put into 4wd and go into 3rd and 4th but still will not work. any ideas of what could of happen. the tranny is not griding and all other gears shift smooth


89 Raider V6 5 speed factory lsd rear
88 mighty max 4 cyl. 5 speed