It might be easier to pull the bed, it doesn't have to come all the way off, just tilted up on drivers side. Loosen right side bed bolts, remove left side bolts and filler neck, check and/or unplug wiring at the back for lights and trailer. Remove items from bed and tailgate to reduce weight and lift bed up with some help, have wood blocks or something to wedge bed up in place.
Pulling the bed can be easier since you don't have to deal with laying on you back, dealing with a long skinny tank of fuel. Plus the fuel line connections can be a PITA from the bottom. I've done them both ways and would only consider dropping the tank with a lift and trans jack for the tank.
Yes, 2 people can lift one side and then put something underneath to support it up. Generally I like to have 3-4 people for small truck beds and 4-5 for full size when pulling the bed off to take it somewhere
If vehicles do rust where you live removing the bed can be harder then you think.
Chevys from 88 and up uses rivetnuts in the bed and if there is any rust on the bolt the rivetnuts is going to get loose and then they just spins inside the beams under the bed.
When i had to remove the bed from my 82 c20 me and my dad just lifted it up and walked away with it (8ft bed) they are not that heavy.
When we put it back on we were 3, 2 holding up the bed and the third person inside the truck backing it up under the bed.
Jeep Cherokee XJ 4.0 -89
Jeep Cherokee XJ 4.0 -90 (partsjeep)
Jeep Grand Cherokee 5.2 -93
Chevrolet Silverado 2500 6.5TD -94
Chevrolet C20 6.2 -82
I had a 94 Sierra gt that i had to replace the fuel lines on. The truck was beautiful. And i tried lifting the bed and had no luck getting the bolts out. I ended up cutting the tank straps and replaced them with new.
You could cut a section of the bed out to gain access. And if he has a plastic bedliner, just cover it up and call it a day.
We lifted the bed completely. Everything was pretty straight forward. And it fired right up.
Only issue we ran into is initially breaking the bolts. Rust and crud due to the age. But a little PB Blaster did the trick. Also, his receiver was in the way of one of the access holes in the frame, so we had to remove it. And to do that we had to remove the spare.
Otherwise everything went great.
Oh Crap! Handle- Standard Equipment
"If you need a knife to open your knife, you've bought the wrong knife". -Tedder