For 1990-2009 cars only
Notice:
• Before attempting the 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
the fuel pipes are not leaking onto the fuel tank. Once the fuel tank is removed,
make sure fuel is not leaking around the fuel sender assembly O-ring. • This check requires a fuel sender assembly and an O-ring to be
installed in the fuel tank.
- Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
- Drain the fuel tank. Refer to Fuel Tank Draining .
- Remove the fuel tank. Refer to Fuel Tank Replacement .
- Cap the fuel feed pipe, and the EVAP pipe on the fuel sender assembly.
- Plug the fuel tank filler pipe opening.
- Plug the fuel tank vent pipe opening.
- Connect a piece of hose to the fuel return pipe.
- Submerge the fuel tank in water or apply a soap solution to the outside of the fuel tank.
- Apply 7 to 10 kPa (1 to 1.5 psi) air pressure to the piece of hose on the fuel return pipe.
Air bubbles appearing from the fuel tank indicate a leak. Replace the fuel tank if it is leaking. Refer to Fuel Tank Replacement .
