Depends on the model
There is no drain plug. Transmission pan must be removed.
A 1998 Oldsmobile 88 takes ATP automatic transmission fluid. This is sold in most places that carry transmission fluid, or you can buy it through a dealer.
Dexron III / Mercon (also called DexMerc)
what are the steps to take off transmission from a Oldsmobile cutlass supreme
metric 200 I think.
what transmission fits a 455 oldsmobile motor
A 1992 Oldsmobile may not shift out of park because the transmission is stuck. Check to transmission fluid to ensure it is at the proper level.
You remove the pan on the bottom.
Depends on the model
No.
Depends on what Oldsmobile model you're referring to, engine size, transmission, etc...
4-speed "Hydramatic" or a 4-speed "Jetaway" transmission.