Cleaning Procedure
Important: 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 laws and regulations.
- Relieve the fuel system fuel pressure. Refer to
Fuel Pressure Relief
W 3800,
Fuel Pressure Relief
W 3100,
Fuel Pressure Relief
W 3.4L.
- Drain the fuel tank. Refer to Fuel Tank Draining Procedure
W 3800,
Fuel Tank Draining
W 3100, Fuel Tank Draining Procedure
W 3.4L.
- Remove the fuel tank. Refer to Fuel Tank Replacement
W 3800,
Fuel Tank Replacement
W 3100, Fuel Tank Replacement
3.4L.
- Remove the fuel sender assembly. Refer to Fuel Sender Assembly Replacement
W 3800,
Fuel Sender Assembly Replacement
W 3100, Fuel Sender Assembly Replacement
W 3.4L.
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.
- Inspect the fuel pump inlet for dirt and debris. If dirt and debris
are found, the fuel pump needs to be replaced.
Important: 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 laws and regulations.
- Flush the fuel tank with hot water.
- 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.
- Install the fuel sender assembly. Refer to Fuel Sender Assembly Replacement
W 3800
Fuel Sender Assembly Replacement
W 3100 Fuel Sender Assembly Replacement
W 3.4L.
- Install the fuel tank. Refer to Fuel Tank Replacement
W 3800,
Fuel Tank Replacement
W 3100, Fuel Tank Replacement
W
3.4L.
- Add fuel and install the fuel tank filler pipe cap.
- Install the negative battery cable.
- Inspect for leaks.
12.1. | Turn the ignition switch ON for 2 seconds. |
12.2. | Turn the ignition switch OFF for 10 seconds. |
12.3. | Turn the ignition switch ON. |
12.4. | Check for fuel leaks. |