Operation CHARM: Car repair manuals for everyone.

Fuel System Cleaning Procedures

NOTE:
- 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.

REMOVE OR DISCONNECT
1. Negative battery cable.
2. Relieve fuel system pressure.
3. Drain fuel tank.
4. Fuel tank.
5. Fuel sender assembly.

Inspect
- Whenever the fuel tank is cleaned, the fuel pump strainer must be inspected. If strainer is contaminated, it must be replaced and the fuel pump must be inspected.
- Fuel pump inlet for dirt and debris. If found, fuel pump should be replaced.

6. Flush fuel tank with hot water.

NOTE: When flushing 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 applicable local, state, and federal laws and regulations.

7. Pour water out of fuel sender assembly opening.
- Rock tank to be sure that removal of water from tank is complete.

INSTALL OR CONNECT
1. Fuel sender assembly.
2. Fuel tank.
3. Add fuel and install fuel filler cap.
4. Negative battery cable.

INSPECT
Turn ignition switch to "ON" position for two seconds, then turn to "OFF" for ten seconds. Again turn to "ON" position and check for fuel leaks.