it can't be the clutch. if it was the clutch then you couldn't put it in first when it is running. so it's either something in the transmission or something with one of the axles.
it would also be helpful if you could tells us wether or not you can shift in other gears. does it do the same thing. if you can shit it into 2 or reverse and it works then its the transmission.
it would also be helpful if you could tells us wether or not you can shift in other gears. does it do the same thing. if you can shit it into 2 or reverse and it works then its the transmission.