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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Volkswagen Golf IV (1997 release)

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Volkswagen Golf 4
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Golf 4
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Engine
Cooling system
Fuel System
Cars with petrol engines
Removal and installation of the fuel pump / fuel level sensor
Removal and installation of the fuel filter (petrol engines)
Adjusting accelerator cable
Removing and installing air cleaner housing
Remote check of elements of fuel system
Checking the fuel pump
Checking the fuel pump relay
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Cars with diesel engines
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Cars with petrol engines



Fuel tank cars with petrol engines

1 - a sealing ring. Always be replaced;
2 - valve. Check valve purging: the valve in an upright position - is opened, the valve in an oblique position at 45 ? - closed;
3 - a ventilation hose. By canister with charcoal;
4 - a cover;
5 - a sealing ring. Always be replaced;
6 - a bolt;
7 - Tank Valve / Rubber cup;
8 - ventilation valve;
9 - connection with weight;
10 - a bolt, 10 Nm;
11 - ventilation hoses;
12 - the fuel tank;
13 - ring 2 Nm;
14 - thermofilter;
15 - a bolt, 25 Nm;
16 - clamping nut 2 Nm;
17 - housing;
18 - shrink band clamp. They have different length;
19 - fuel supply hose is black. To the motor. Fastened with clamps;
20 - the fuel filter. The arrow on the filter housing indicates the direction of the flow of fuel;
21 - a collar. For the fuel filter;
22 - a sealing ring. If the damage is to be replaced. Before installing moisten with fuel;
23 - fuel gauge / fuel pump;
24 - Union nut, 60 Nm;
25 - supplying the fuel hose. To the fuel filter;
26 - a returnable fuel hose. From Engine

Before removing the fuel tank pump out fuel from the tank.

Removing the fuel tank is made from under the car. To support the fuel tank using a jack.

Even in an empty fuel tank contains fuel vapors that are explosive, so be careful.

After installing the fuel tank, run the engine and check the fuel system for leaks.

The fuel pump / fuel level sensor

On models with petrol engines the fuel pump with fuel level sensor installed in the fuel tank. By design, the fuel level sensor consists of a potentiometer and the associated float. By reducing the amount of fuel drops and the float sensor, increasing the resistance of the potentiometer reduces the voltage at the fuel level indicator located in the instrument cluster.




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Removal and installation of the fuel pump / fuel level sensor

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