Replaceing Transmission front drive seal

So now that i have the right oil, I need to fix the oil leak.

It looks like it is coming from the seal for the front drive shaft at the transmission, not the front diff.
The U joint is covered in oil and you can see how it has thrown oil as it spins.

Has anyone replaced this? How easy to remove the front drive shaft, can i do it from the top or bottom?

Any help would be great. I have the downloadable manual and will be searching it.

Thanks.
2001 Traxter 5 speed model 7480

Replaceing Transmission front drive seal

So now that i have the right oil, I need to fix the oil leak.

It looks like it is coming from the seal for the front drive shaft at the transmission, not the front diff.
The U joint is covered in oil and you can see how it has thrown oil as it spins.

Has anyone replaced this? How easy to remove the front drive shaft, can i do it from the top or bottom?

Any help would be great. I have the downloadable manual and will be searching it.

Thanks.
2001 Traxter 5 speed model 7480