Yes you can, It's the same thing. As long as there both 2-wheel drives are 4-wheel drives.
Remove the transmission dipstick and read it, it will tell what fluid to use.
They both use the 4L60E.
Yes. They both use the 4L60E transmission.
R134a
see related link i have a 94 s10 blazer and if you use your key with the back hatch handle you can open it
Yes you can.
To drain the oil on a 1991 Chevy S10 Blazer, located the oil pan drain plug. Use a wrench to remove the plug and the oil will flow into the receptacle you have provided.
You can use any type of SAE certified transmission fluid in your 1997 Chevrolet Blazer. You can check the transmission fluid level with the transmission fluid dipstick.
Dextron III
use the dipstick tube
The S10 series doesn't use a rack and pinion steering system.
As long as the mounts and transmission line up yes, 1994 through 2004 use all the same parts