Take what I post as not properly done, nor recommended, just what I did.
Mine is a 2001, not sure what differences that may have, or if this is even possible for that year.
I wasn’t able to pull the engine and needed my oil pan gasket swapped (developed a bad leak, bad enough I could not drive it). I unbolted the engine from the two engine mounts, unbolted the transmission at it's crossmember (two bolts or nuts easy to get to), then jacked up the engine as high as I could get it without destroying anything (block of wood between the jack and transmission closer to the engine side of it). This gave me a few inches tilting the pan slightly, but not enough to get the pan out. What I ended up doing was removing the old gasket best I could (I think it came out mostly in one piece so was not a big problem for me, but I may have cut it to aid in removal and minimize any chunks falling into the pan), then sneaking a flexible gasket in and under the oil pickup tube, then on to the oil pan. So I stuck the gasket down into the pan and snuck it under the oil pickup, then fished it up onto the pan flange, this wasn’t easy. Note there is hardly any room to do this, and be mindful of gasket orientation. Once there I bolted it up. The point is I did not remove the engine, or transmission, they remained bolted together, just lifted up a bit. And yes I put some wood blocks under the engine mounts so it didn’t come down on my hands / arms, never trust the jack!).
When jacking it up keep an eye everywhere to not pinch / smash anything (this was a few years ago and I don't recall every detail, I was in a hurry to get it done, and also watch the power steering hoses, as I recall one popped off as I was jacking which made a mess and slowed the entire process cleaning up. Again I don't recall what all or anything else I had to disconnect, wasn't much, but keep that in mind so you don't cause more problems / damage.
Not easy at all and getting the gasket seated under the timing cover was a real pain and I never could get it perfect in the front, stuck out a little bit, but it didn’t leak. Not sure if this is much less work than removing trans and lifting engine, but I didn't have anything to lift an engine accept floor jacks, so this was the route I took. I was prepared to go buy an engine hoist of some sort if I had to though.
I did this a few years ago separate from the timing cover and it’s been holding.
Yes I know this is not the proper way to do it, I can't even recommend attempting it, but when you need the truck and minimal equipment for pulling an engine and the job is too expensive to pay someone else… This took me many hours though. Hopefully others with more experience offer their input. If I had to do it again I would seriously consider pulling the engine to actually get the pan out, but I guess my mindset is it didn't hurt to give it a try to sneak the gasket in, and if need be, I'd go buy the engine hoist to have done it more proper.
If you can pay someone to do it, that might be your best option, maybe have it towed somewhere or perhaps find a mobile mechanic.
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