A bad radiator could be the cause, or the car might have a blown head gasket which would cause it to overheat.
The 1997 Oldsmobile Cutlass radiator fan switch can be found in the fuse box. The radiator fan switch will be in the third column, second from the bottom.
On the back of the radiator, driver side.
You fill the radiator through the overflow tank.
Look at the bottom or rear of radiator Look at the bottom or rear of radiator
Should be at the bottom or rear of the radiator or remove the lower radiator hose
On the 3.3L V6 it is under the radiator cap.
Bottom of radiator. If it has none then remove the lower radiator hose to drain the radiator.
Try 1-800Radiator.com or 1-800-Radiator for information
The 1993 Oldsmobile Cutlass Sierra thermostat is located on the front of the engine. You can follow the water supply line from the radiator to the thermostat housing.
Oldsmobile Cutlass was created in 1961.
follow the top radiator hose where it goes back to the egine
Follow the top radiator hose down to the water outlet on the engine; the stat is in there.