- 1). Disconnect the negative cable from the negative battery terminal in the engine bay of the Pontiac Montana. Open the fuse box. Check the diagram on the undercover of the fuse box for the position of the fuel pump fuse. Pull out the fuel pump fuse.
- 2). Siphon the gas from the fuel tank via the gas filler neck on the driver's side of the Pontiac Montana.
- 3). Raise the Montana with your jack and tire iron. Position a jack stand near the rear axle under the chassis. Lower the Montana onto the jack stand. Repeat this process on the other side of the van.
- 4). Remove the filler hose from the gas tank. Loosen the collar on the filler hose with a screwdriver. Slide the collar away from the fitting of the hose. Pull the hose off of the gas tank. Repeat this process for the vent hose.
- 5). Set the floor jack below the gas tank. Loosen the engine-side strap that holds the gas tank against the Montana's chassis. Let the gas tank rest onto the floor jack.
- 6). Reach above the gas tank. Disconnect the EVAP tube, return fuel tube, and wiring connector from the fuel pump.
- 7). Loosen the second strap to let the gas tank rest fully on the floor jack. Push the floor jack out from below the Montana.
- 8). Spray the surface around the gas tank with compressed air to remove contaminates near the opening of the gas tank.
- 9). Loosen the metal locking ring cinching the fuel pump by striking the tabs of the ring with a mallet and chisel. Pull the ring off of the fuel pump. Lift the fuel pump out of the gas tank.