If you managed to seize the engine, there is no unlocking it. If it is seized severely enough, it will be impossible to even take it apart to rebuild it. If the engine has been seized (from oil starvation or severe overheating) you will need to replace the entire engine.
The Oldsmobile Cutlass Cierra window lift motor is located inside of the door. Each window is equipped with a window lift motor.
Yes
It's on the firewall up high on the passenger side. You may need to remove the alternator to get it out.
The 2.8, 3.1 and 3.4 are all the same block throughout all years. The only thing that really changed was the style of head, the intake, and a roller camshaft. It should be a direct swap for what you are wanting to do however.
Depends on which motor you're referring to
No you can not put any Oldsmobile motor into a 1985 Cutlass Supreme. Each car has a motor that was designed specifically for that vehicle. So if you need to replace the motor in a 1985 Cutlass Supreme, you need to find the specific motor for that vehicle.
Can you use it for What?
307 c.i.
Depends on the year and bodystyle
Motor is probably burnt out
My fan will not come on, even though the diagnostic computer says its running at 220 degrees. We turned the fan by hand to see the electric motor was shot! $40 at parts store.
My 1986 cutlass supreme w/307 was smoking bad, and I tore the motor down and the rings were shot.