S40/V40 (2001-2004), S70/V70 (-2000)

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Location Of Bi-Fuel Components CNG -- 850, V70 (-2000)

Courtesy of VOLVO CARS OF NORTH AMERICA.

NOTE: Bi-fuel system LPG = Propane, Butane (heavier than air)

Gas tank (steel) for LPG (under floor)
Petrol tank
Gas and petrol switch
Gas injectors
Pressure regulator
Gas distributor
Engine control module (ECM)
Gas pipe (copper) (under floor)
Safety and magnet valve

The solenoid valve and safety valve are integrated into one unit. The solenoid valve closes when the engine is switched off, when the vehicle is running on gasoline and when the collision sensor are deployed.

NOTE: The pressure in the pipe remains.

The safety valve deploys at 27 bar. The valve sprays downwards behind the right-hand rear wheel towards the ground until the tank is empty.

The stainless steel gas pipe is in the fuel line rail as shown Contains liquid LPG at pressures of approximately 8 bar.