Fuel Supply System, Vehicles With All Wheel Drive As of 11.04
Fuel Tank, Draining
Special tools, testers and auxiliary items required
- Wrench 3087
- Fuel siphoning unit VAS 5190
Work procedure
CAUTION: Observe procedures for disconnecting battery Electrical Equipment.
- Push cover over battery toward right - arrow 1 - and remove it upward - arrow 2 -.
- With ignition switched off, disconnect Battery Ground (GND) strap - arrow -.
CAUTION: Secure Ground (GND) wire of fuel extraction unit VAS 5190 to a bare area of the chassis.
- Pull cone piece -2- from shaft end -1- of fuel extraction unit VAS 5190.
- Using insulating tape, apply a mark - arrow - on hose at length - a - = 1,865 mm from end of suction hose.
- Remove fuel filler cap from fuel filler tube.
- Screw shaft end -1- of fuel extraction unit VAS 5190 on to fuel filler tube of fuel tank.
- Push suction hose as far into fuel tank until mark applied earlier - arrow - is positioned on shaft end.
NOTE:
- If using a siphoning device without shaft end, proceed basically in the same manner.
- In this case, apply a mark - arrow - using insulating tape on hose at length - a - = 1,800 mm from end of suction hose. The suction hose is inserted correctly when the marking applied earlier stands opposite the lip of fuel filler tube.
- If the hose can only be inserted with difficulty, coat it thinly with engine oil. Never use lubricants containing silicon.
- Drain fuel tank through fuel filler tube as much as possible.
- Carefully pull out suction hose.
- Remove rear seat bench Body Interior -.
- Unbolt cover for right locking flange - arrows -.
- Disconnect electrical harness connector - arrow - at right locking flange.
- Mark fuel return line -1- and fuel supply line -2-.
CAUTION: The fuel system is under pressure. Before opening system, place rags around the connection area. Then release pressure by carefully loosening the connection.
- Pull both lines from locking flange, by pressing release buttons.
- Remove locking ring using wrench 3087.
- Pull locking flange and sealing ring from opening of fuel tank.
- Insert suction hose, a dimension of - x - = 800 mm in length, through right opening of fuel tank into left fuel tank chamber.
- Drain left fuel tank chamber.
- Install right locking flange again, observing notes for connecting battery Electrical equipment -.