Tip - How to Remove a 1981 Chevy Truck Gas Tank | eHow

The gas tank on a 1981 Chevrolet Silverado pickup is mounted on the outside of the frame, between the rocker panel on the cab and the frame itself, and is made of metal. Over time, these tanks can corrode from rust, or get damaged in accidents, and that means that you'll have to drop the tank and replace it. This can be done on most trucks without...