RAM 3500 HD Truck 4WD L6-6.7L DSL Turbo (2008)
Fuel Rail: Service and Repair
Fuel Rail - Installation
INSTALLATION
1. Clean any dirt/debris from top of intake manifold and bottom of fuel rail.
2. Position fuel rail to top of manifold and install rail mounting bolts (7). Torque bolts to 24 Nm (18 ft. lbs.).
CAUTION: WHEN LOOSENING OR TIGHTENING HIGH-PRESSURE LINE FITTINGS (11) ATTACHED TO A SEPARATE
FITTING (12), USE A BACK-UP WRENCH ON FITTING (12). DO NOT ALLOW FITTING (12) TO ROTATE. DAMAGE TO BOTH
FUEL LINE AND FITTING WILL RESULT.
3. Install all high-pressure lines to rail. Torque fittings to 30 Nm (22 ft. lbs.).
4. Reposition wiring harness to intake elbow and install nut.
5. Install two new sealing washers to fuel limiting valve banjo bolt. Torque to 24 Nm (18 ft. lbs.).
Noise isolators (14) are used on the six high-pressure fuel lines. They should be positioned in the middle of the horizontal or longest straight section of
each fuel line. The split on each isolator should be facing downward. Be sure the noise isolator is not touching another isolator or any other components.
6. Connect electrical connector to fuel pressure sensor (2).
7. Connect electrical connector to MAP sensor (3).
8. Install air intake heater cables.
9. Connect battery cables to both batteries.
10. Start engine and check for leaks.
