Fuel Delivery and Air Induction: Service and Repair

Fuel System Cleaning


REMOVAL PROCEDURE

TOOLS REQUIRED
J 34730-1A Fuel Pressure Gauge

IMPORTANT: Only use oil free compressed air to blow out fuel pipes. If the in-line fuel filter is plugged, the fuel tank should be inspected internally and cleaned if necessary.




1. Relieve the fuel system fuel pressure. Refer to Fuel Pressure Relief Procedure. Service and Repair
2. Drain the fuel tank (5). Refer to Fuel Tank Draming Procedure. Procedures
3. Remove the fuel tank.

IMPORTANT: When ever the fuel tank is cleaned, the fuel pump fuel strainer must be inspected. If the fuel pump fuel strainer is contaminated, the fuel pump fuel strainer must be replaced and the fuel pump must be inspected. The fuel pump inlet for dirt and debris. If dirt and debris are found, the fuel pump should be replaced.




4. Remove the fuel sender assembly.

IMPORTANT: When flushing the fuel tank, the fuel and water mixture needs to be treated as a hazardous material. The material needs to be handled in accordance with all local, state, and federal regulations.




5. Flush the fuel tank with hot water.
6. Pour the water out of the fuel sender assembly opening in the fuel tank. Rock the fuel tank in order to be sure that the removal of the water from the fuel tank is complete.
7. Flush the fuel tank with hot water. Allow the tank to dry.
8. Pour the water out of the fuel sender assembly opening in the fuel tank. Rock the fuel tank in order to be sure that the removal of the water from the fuel tank is complete.

INSTALLATION PROCEDURE




1. Install the fuel sender assembly.




2. Install the fuel tank.




3. Add fuel to the fuel tank.
4. Reinstall the fuel tank filler pipe cap (1).
5. Connect the negative battery cable.
6. Inspect for leaks.
6.1. Turn the ignition switch ON for 2 seconds.
6.2. Turn the ignition switch OFF for 10 seconds.
6.3. Turn the ignition switch ON.
6.4. Check for fuel leaks.
7. Install the rear seat cushion.




8. Install the intake manifold sight shield (1) to the engine.

NOTE: Refer to Fastener Notice in Service Precautions.

9. Install the intake manifold sight shield nuts (2).

Tighten
Tighten the nuts to 3 N.m (27 lb in).