With Dual Tanks - Rear Tank
Fuel Tank Leak CheckCAUTION: Refer to Fuel Tank Leak Check Caution in Service Precautions.
IMPORTANT: This check requires a fuel sender assembly, a fuel sender gasket, a fuel filler pipe and hose assembly, and a fuel filler cap to be installed in the fuel tank.
CAUTION: Refer to Battery Disconnect Caution in Service Precautions.
1. Disconnect the negative battery cable.
2. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure. Fuel Pressure Release
3. Drain the fuel tank. Refer to Fuel Tank Draining Procedure (Pickup) or Fuel Tank draining Procedure (Utility with Single Tank) or Fuel Tank Draining Procedure (Utility with Dual Tanks - Front Tank) or Fuel Tank Draining Procedure (Utility with Dual Tanks - Rear Tank). Fuel Tank
4. Remove the fuel tank.
5. Install the fuel filler cap.
6. Cap the EVAP pipes on the fuel tank.
7. Cap the fuel pipe on the fuel sender.
8. Cap the rear tank to front tank fuel fill hose nipple on the fuel tank.
9. Apply a soap solution to the outside of the fuel tank.
10. Apply 7-10 kPa (1-1.5 psi) air pressure to the vent pipe on the fuel fill pipe assembly. Air bubbles appearing from the fuel tank indicate a leak.
11. Replace the fuel tank if it is leaking.