since 1997 of release

Repair and car operation

Foltsvagen Golf 4
+ 1. Maintenance instruction
+ 2. Engine
+ 3. Cooling system
- 4. Fuel system
   - 4.1. Cars with petrol engines
      4.1.1. Removal and installation of the fuel pump / fuel level sensor
      4.1.2. Removal and installation of the fuel filter (petrol engines)
      4.1.3. Adjustment of a cable of an accelerator
      4.1.4. Removal and installation of the case of the air filter
      4.1.5. Remote check of elements of fuel system
      + 4.1.6. Check of the fuel pump
      4.1.7. Check of the relay of the fuel pump
      + 4.1.8. Control system of the engine
   + 4.2. Cars with diesel engines
+ 5. Exhaust system
+ 6. Ventilation and heating system
+ 7. Coupling
+ 8. Transmission
+ 9. Suspension brackets and power shafts
+ 10. Steering
+ 11. Wheels and tires
+ 12. Brake system
+ 13. Body
+ 14. Electric equipment and electroschemes

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4.1. Cars with petrol engines


Fuel tank of cars with petrol engines

1–sealing ring. Always is subject to replacement;
2–valve. Valve check by blowing off: the valve in vertical situation – is open, the valve in inclined on 45 ° situation – is closed;
3–ventilation hose. To the canister with charcoal;
5–sealing ring. Always is subject to replacement;
7–tank valve / rubber cup;
8–ventilation valve;
9–connection with weight;
10-bolt, 10 Nanometers;
11-ventilation hoses;
12-fuel tank;
13-ring, 2 Nanometers;
15-bolt, 25 Nanometers;
16-tightening nut, 2 Nanometers;
18-coupling tape collar. Have different length;
19-a submitting fuel hose, black color. To the engine. Fastens collars;
20-fuel filter. The arrow on the case of the filter specifies the direction of a stream of fuel;
21-collar. For the fuel filter;
22-sealing ring. At damage is subject to replacement. Before installation to moisten with fuel;
23-sensor of level of fuel / fuel pump;
24-cap nut, 60 Nanometers;
25-a submitting fuel hose. To the fuel filter;
26-returnable fuel hose. From the engine

Before removal of a fuel tank pump out from a tank fuel.

Removal of a fuel tank make from under the car. For support of a fuel tank use a jack.

Even at an empty fuel tank there are pairs of fuel which are explosive therefore be careful.

After installation of a fuel tank start the engine and check tightness of fuel system.

Fuel pump / fuel level sensor

On models with petrol engines the fuel pump together with the fuel level sensor are established in a fuel tank. On a design the fuel level sensor consists of a potentiometer and the related float. At reduction of amount of fuel the float of the sensor falls and, increasing resistance of a potentiometer, lowers tension on the index of level of the fuel, located on a combination of devices.