Caution: Place a dry chemical (Class B) fire extinguisher near the area before performing a Fuel Tank Leak Check. Before removing the fuel tank for a suspected leak, make sure that the fuel pipes or the tubes are not leaking onto the tank. Once removed, make sure that the fuel is not leaking around the fuel sender O-ring. Failure to follow these precautions may result in personal injury.

Important: This check requires the fuel sender assembly with O-ring to be installed.

1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
2. Drain the fuel tank. Refer to Fuel Tank Draining .
3. Remove the fuel tank. Refer to Fuel Tank Replacement .
4. Cap the fuel feed tube, the fuel return tube, and the vapor tube on fuel sender assembly.
5. Connect a piece of hose to the filler tube nipple and plug the opposite end if equipped.
6. Submerge the tank in water or apply a soap solution to the outside of tank.
7. Apply 35 kPa (5 psi) air pressure to the vent hose on the fuel tank.