New Clutch?

Recently I've been having trouble starting my '93 Nissan Truck. On several occasions I have had to play with the clutch to get it to engage. I've also had trouble downshifting into first and second when coming to a stop. I've read that clutch problems are evident when they slip, but mine is not doing that (yet). Should I replace it or is there an adjustment I can make?

Maybe your clutch needs adjusting. If that's ok, then it could be your T/O bearing.