You have to take the door apart
1991 Corsica its under the trottle body
For a 1991 Chevrolet Corsica : My Chilton's Auto Repair Manual shows : ( 15.6 U.S. gallons )
It doesn't have one, it is distributorless.
Remove the wiring harness from the back of your 1991 Chevy Corsica turn signal. Remove the turn signal retaining bolts. The entire turn signal will come out. Reverse the process to install the new turn signal.
13.6 gallons
Green coolant (prestone, etc)
16.5 to 17.1 gal
Depends on which engine it has. Try a Google Search.
As soon as you pop the hood, it should be to the left of the engine. it is visible from top view.
if its a manual transmission its attached to the clutch pedal housing if its an automatic its the shifter
just work with it until you get it open. try getting in and kicking from the inside...
its behind the coil packs on the back of block