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 )
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.
It doesn't have one, it is distributorless.
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.
To change the timing chain on a 1991 Chevy Corsica, first disconnect the battery and remove the necessary components, such as the engine cover, front timing chain cover, and crankshaft pulley. Align the timing marks on the camshaft and crankshaft to ensure proper timing. Remove the old timing chain and replace it with the new one, ensuring it is properly tensioned. Finally, reassemble the engine components, double-checking all connections before starting the vehicle.
Pull it out and put a new one in. Located: FRONT SEATING AREA, DRIVER SIDE, UNDER DASH, MOUNTED ON DRIVER SIDE OF STEERING COLUMN
if its a manual transmission its attached to the clutch pedal housing if its an automatic its the shifter