For 1990-2009 cars

Important:

• | Before attempting the Fuel Tank Leak Check place a dry chemical (Class B) fire extinguisher near the work area.

• | Before removing the fuel tank for a suspected leak, make sure the fuel pipes are not leaking onto the fuel tank. Once removed, make sure fuel is not leaking around the fuel sender gasket.

• | This check requires a fuel sender assembly, fuel filler cap, and a fuel sender gasket to be installed in the fuel tank.

1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure .
3. Drain the fuel tank. Refer to Fuel Tank Draining .
4. Remove the fuel tank. Refer to Fuel Tank Replacement .
5. Cap the fuel feed pipe, the fuel return pipe, and the EVAP pipe on the fuel sender assembly.
6. Connect a piece of hose to the vent pipe.
7. Submerge the fuel tank in water or apply a soap solution to the outside of the fuel tank.
8. Apply 31-38 kPa (4½-5½ psi) air pressure to the piece of hose on the fuel tank vent pipe. Air bubbles appearing from the fuel tank indicate a leak.
9. Replace the fuel tank if it is leaking. Refer to Fuel Tank Replacement .