Some bulbs can be changed by accessing them through the runk but I think your have got to remove the light assy and then remove the bulb.
The gas tank on a 1990 Chevy Corsica is 15.6 gallons. A 1990 Chevy Corsica takes unleaded gas not premium.
Where is the Water Pump located and how do you replace it on a 1990 Chevy Corsica?
You must drop the fuel tank in order to replace the fuel pump.
in the glovebox.
in the fuel tank
owners manuel
removing the retaining bolts.
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criss cross
u have to drop the tank. its pretty easy. the new pump will bypass alot of the old conections.
Place something to catch the engine coolant beneath your 1990 Chevy Corsica radiator. Remove the radiator drain plug with a 9/16 ratchet. The engine coolant will drain out.