Fuel Tank Leak Test

WARNING: Before attempting "Fuel Tank Leak Check," place a dry chemical (Class B) fire extinguisher near work area. Before removing the fuel tank for a suspected leak, make sure fuel pipes or tubes are not leaking onto the tank. Once removed, make sure fuel is not leaking around fuel sender O-ring. This check requires the fuel sender with O-ring to be installed.

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