noise in gearbox or tailshaft?

[commodore1todd]

hey
ill be cruising doing about 80 km or higher and when i go to excellerate i hear a grinding or crunching noice under the floor.sounds like my gearbox or something.anyone got any ideas?

[commodore1todd]

also if im in park then put it into drive in takes about 2 seconds to get into gear does this mean my gearbox is stuffed or can it b fixed?