Fuel Tank Draining

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: THE FUEL SYSTEM MAY BE UNDER CONSTANT FUEL PRESSURE EVEN WITH THE ENGINE OFF. THIS PRESSURE MUST BE RELEASED BEFORE SERVICING FUEL TANK.

Fig 1: FUEL TANK VALVES

Courtesy of DAIMLERCHRYSLER CORP.

1 - FUEL TANK	10 - FUEL TANK STRAPS
2 - FUEL PUMP MODULE LOCK RING	11 - HEAT SHIELD
3 - FUEL PUMP MODULE ASSEMBLY	12 - CHECK (CONTROL) VALVE
4 - FLOW MANAGEMENT VALVE	-
5 - FUEL FILL TUBE	-
6 - FRESH AIR TUBE	-
7 - FUEL FILL HOSE	-
8 - FRESH AIR FILTER	-
9 - NVLD PUMP

Two different procedures may be used to drain fuel tank: through the fuel fill fitting on tank, or using a scan tool.

The quickest draining procedure involves removing the rubber fuel fill hose (7) from fuel tank fitting. See Fig 1.

As an alternative procedure, the electric fuel pump may be activated allowing tank to be drained at fuel rail connection. Refer to DRB scan tool for fuel pump activation procedures. Before disconnecting fuel line at fuel rail, release fuel pressure. Refer to STANDARD PROCEDURE - FUEL SYSTEM PRESSURE RELEASE for procedures. Attach end of special test hose tool number 6541, 6539, 6631 or 6923 at fuel rail disconnection (tool number will depend on model and/or engine application). Position opposite end of this hose tool to an approved gasoline draining station. Activate fuel pump and drain tank until empty.

If electric fuel pump is not operating, fuel must be drained through fuel fill fitting at tank. Refer to following procedures.

Release fuel system pressure.
Raise vehicle.

If equipped, remove fuel tank skid plate.

Fig 2: FUEL FILL HOSE AT TANK

Courtesy of DAIMLERCHRYSLER CORP.

1 - FUEL FILL HOSE AT TANK

2 - HOSE CLAMP

3 - WHITE PAINTED INDEX MARK

4 - ALIGNMENT NOTCHES

5 - LEFT SIDE OF FUEL TANK

6 - FUEL FILL FITTING

Thoroughly clean area around fuel fill fitting (6) and rubber fuel fill hose (1) at side of fuel tank. After cleaning, loosen fuel fill hose clamp (2) at tank. See Fig 2.

Before removing rubber hose (1) from fitting, note hose orientation while referring to marks (3) and (4). See Fig 2.

Fig 3: FUEL FILL CHECK VALVE

Courtesy of DAIMLERCHRYSLER CORP.

1 - ONE-WAY CHECK VALVE

2 - FUEL FILL FITTING

3 - SIDE OF FUEL TANK

Disconnect rubber fuel fill hose at fuel tank fitting (2). See Fig 3. Using an approved gas holding tank, drain fuel tank through this fitting.