Loss of fluid is the typical reason, Master Cylnder failure is another. Brake failure is very typical in these vehicles...there was a lawsuit against GM in the 90's to reimburse owners.
no it has dic brakes
The master cylinder contains the reservoir for the brake fluid. This is where you would add it on an 1990 Cutlass Supreme.
No, totally different bodystyles
According to http://consumerguideauto.howstuffworks.com/1990-to-1997-oldsmobile-cutlass-supreme-4.htm, the fuel capacity for the 1994 Cutlass Supreme is 16.5 gallons. Many years ago I owned a 1968 Cutlass Supreme convertible--a very fun car.
Five.
I have a 1990 Cutlass Calais. I had to remove a plastic panel under the steering Column. It was located to the left of the column under the dash.
junkyards, e-bay or craigslist.
If it's a 1990-97 model, yes.
you probably have half American standard and half metric.
The firing order for a 1990 Olds cutlass supreme 3.1litre is 1, 2, 3, 4, 5, 6. The number one cylinder is closest to the pulleys on the left as you face it.
I have 90 cutlass supreme. look under center of car for gas tank. should be on back end of the tank. need to jack up high enough to get at.
you will have to drop your gas tank its inside the tank drive safe