Conventional Procedure
The fuel system is under constant high pressure even with engine off. Until the fuel pressure has been properly released from the system, do not attempt to open the fuel system. Do not smoke or use open flames/sparks when servicing the fuel system. Wear protective clothing and eye protection. Make sure the area in which the vehicle is being serviced is in a well ventilated area and free of flames/sparks. Failure to comply may result in serious or fatal injury.
No sparks, open flames or smoking. Risk of poisoning from inhaling and swallowing fuel. Pour fuel only into appropriately marked OSHA approved containers. Wear protective clothing. Risk of injury to eyes and skin from contact with fuel.
Due to a one-way check valve installed into the fuel fill fitting at the tank, the tank cannot be drained at the fuel fill cap.
- Perform the fuel system pressure release procedure. Refer to FUEL DELIVERY, GAS, STANDARD PROCEDURE .CAUTION:
When removing the fuel supply line from the fuel inlet tube at the fuel rail, care must be taken that the fuel inlet tube is not being over-flexed. Damage to the fuel rail inlet tube may occur.
- Disconnect the fuel supply line (1) from the fuel rail. Refer to FITTING, QUICK CONNECT, STANDARD PROCEDURE .
- Install the appropriate fuel line adapter fitting from the (special tool #8978A, Decay Tool, Fuel) to the fuel supply line. Route the opposite end of this hose to tank that is approved for fuel storage by the Occupational Safety and Health Administration (OSHA).NOTE:
Activation of the fuel pump module may time out and need to be restarted several times to completely drain the fuel tank.
- Using a diagnostic scan tool, activate the fuel pump module until the fuel tank has been evacuated.
