I've done this job, but on a car lift. It's virtually impossible to do it any other way due to the amount of clearance you need under the car.

Two people are needed, especially when it comes time to pulling the tranny out.

I basically dropped the entire subframe and put the engine on a jack. Removed the steering rack from the subframe and placed that on a jack as well. Before you begin though, it is essential that you start in the engine bay and remove the air cleaner system. There are a few bolts on top of the tranny that are much easier to access from up top. Then, the axle has to come out-- requires losening ball joint (which mine was frozen.

It was a lot of work, but fairly intuitive if you can see everything underneath and its well lit. The only real snag was the ball joint and of course tranny fluid and motor oil all over the place. It took me (a novice) and a friend about 10 hours to complete the job over a weekend. I highly suggest an air compressor tool (the ones mechanics use to remove those old rusty bolts.)
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96 850 GLT 5-Speed- Sold due to astronomical repair costs.