RAM 2500 Truck 2WD L6-5.9L DSL Turbo VIN C (2002)
Fuel Tank One Way Valve: Service and Repair
FUEL TANK CHECK VALVE
REMOVAL
WARNING: THE FUEL SYSTEM IS UNDER A CONSTANT PRESSURE (EVEN WITH THE ENGINE OFF). BEFORE SERVICING
THE CHECK VALVE, FUEL SYSTEM PRESSURE MUST BE RELEASED (GASOLINE POWERED ENGINES ONLY). REFER TO
THE FUEL PRESSURE RELEASE PROCEDURE IN FUEL SYSTEM.
Fig.40 Check Valve Location - Diesel Powered
1. Diesel Powered Engine: One check valve is used. The valve is located on top of fuel tank module (Fig. 40) and may be serviced separately.
a. Disconnect both negative battery cables at both batteries.
b. Remove fuel filler cap and drain fuel tank.
c. Remove fuel tank. Refer to Fuel Tank Removal/Installation in Fuel System.
d. The check valve is seated into a rubber grommet. Remove valve by prying one side upward and then roll valve out of grommet.
e. Discard old grommet.
INSTALLATION
1. Install new grommet into fuel pump (or fuel tank) module.
2. Using finger pressure only, press valve into place.
3. Install fuel tank. Refer to Fuel Tank Installation.
4. Fill fuel tank. Install fuel tank filler cap.
5. Connect negative battery cable(s).
6. Start vehicle and check for leaks.
