Remove a fuel tank from a car by draining the gasoline, detaching all the fuel lines, disconnecting the rear brake lines and loosening the retaining brackets. If your vehicle is rear-wheel drive, you need to drop the rear suspension. Simplify reinstalling the tank by taking a digital photograph before beginning.
- Drain the gasoline
Place an approved container under the vehicle to catch the gas. Remove the drain plug from the fuel tank, if it is so equipped; otherwise, disconnect a fuel line to drain the gasoline.
- Detach the fuel lines
Take a digital photo of the fuel tank for future reference when installing the new tank. The tank connects to at least three rubber fuel lines, the inlet, outlet to the fuel pump and the vent outlet. Remove the clamps that hold these hoses in place and slide them off the metal lines.
- Disconnect the rear brake lines
Locate the joints for the rear brake lines. Loosen the connections and move the lines out of the way.
- Loosen the retaining brackets
Use a wrench to loosen the nuts that hold the retaining brackets together. Once the bolts are loose, slide the brackets apart to drop the fuel tank. If the vehicle is rear-wheel drive, you must drop the rear suspension before removing the fuel tank.