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Polo 3 (1995-2003) Polo 4 (2001-2009)

Power supply system (VW Polo 3)

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  • Polo
  • Polo 3
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  • Diesel engines 1.7 and 1.9
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The elements of the fuel system of Polo Classic, Polo Estate are shown in Fig. 6.43, the elements of the fuel system of Caddy - in Fig. 6.44.

Fig. 6.43. Elements of the Polo Classic, Polo Estate power supply system:

Fig. 6.43. Elements of the Polo Classic, Polo Estate power supply system:
1 - Lid; 2 - Fastening ring; 3 - Fuel tank flap; 4 - Ventilation tube; 5 - Gravity/Bypass Valve; 6-Connection to the "ground"; 7, 11, 19 - Bolts; 8 - Fuel filler line; 9 - Sealing boot; 10 - Fuel tank; 12 - Fuel level sensor; 13, 19 - Sealing rings; 14 - Flange; 15 - Fuel intake line; 16 - Fuel drain line; 17 - Nut; 18 - Ventilation valve; 20 - Cup.


Fig. 6.44. Elements of the Caddy power supply system:

Fig. 6.44. Elements of the Caddy power supply system:
1 - Cover: 2 - Fastening ring; 3 - Fuel tank flap; 4 - Ventilation tube; 5 - Gravity/Bypass Valve; 6-Connection to the "ground"; 7,12- Bolts; 8 - Fuel filler line; 9 - Sealing boot; 10 - Fuel tank; 11 - Protective cover; 13, 20 - Sealing rings; 14 - Fuel level sensor; 15 - Fuel intake line; 16 - Fuel drain line; 17 - Flange; 18 - Nut; 19 - Ventilation valve; 21 - Cup.




The installation position of the fuel level sensor is shown in Fig. 6.45. The mark on the flange must be aligned with the mark on the fuel tank.

The installation position of the fuel level sensor is shown in Fig. 6.45. The mark on the flange…


Checking the ventilation valve is shown in Fig. 6.46. The lever is in the free position - the valve is closed. The lever is in the pressed position (arrow) - the valve is open.

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Checking the ventilation valve is shown in Fig. 6.46. The lever is in the free position - the valve…

This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
The text has been checked: Kolesnikov Artem

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Previous articles
Cooling system
Checking oil pressure and pressure sensor
Lubrication system
Swirl chamber replacement (1Y engines only)
Checking hydraulic compensators
Checking the valve guide bushing
Next articles
Fuel filter
Accelerator pedal
Checking the accelerator pedal position sensor (engines AEY, AFN, AHB, AHU, AKW, ALE)
Adjusting the accelerator pedal position sensor (engines AEY, AFN, AHB, AHU, AKW, ALE)
Turbocharging a diesel engine
Intercooler (intermediate cooling of the supercharged air)


Similar articles from other manuals for VW cars:
General information about the power supply system Passat B3 (1988-1993)
Power supply system with integrated Digifant system Golf 3 (1991-1997)
Secondary air supply system Touareg 1 (2002-2006)
Removal and installation of power supply system components Tiguan 1 (2007-2015)
Additional air supply system Sharan 1 (1995-2000)
Rules for maintaining cleanliness when working with the power… Transporter T4 (1990-2003)
Parts and components of the power supply system Caddy 3 (2003-2010)
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Polo 4 
  • General information
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  • Maintenance
  • Power unit
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  • Cooling and lubrication system
  • Control system
  • Injection system (diesel)
  • Supply system
  • Exhaust system
  • Chassis
  • Front suspension
  • Rear suspension
  • Steering
  • Wheels and tires
  • Brake system
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  • Interior
  • Exterior
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  • Equipment and devices
  • Wiper system
  • Lighting system
  • Electrical circuits
Polo 3 
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  • User manual
  • Maintenance
  • Power unit
  • Petrol engines 1.4 and 1.6
  • Petrol engines 1.4 (V16)
  • Petrol engines 1.6 and 1.8
  • Diesel engines 1.7 and 1.9
  • Diesel engines 1.9 D and TD
  • Transmission
  • Mechanical gearbox 085
  • Mechanical gearbox 020/02K
  • Chassis
  • Front suspension
  • Rear suspension
  • Steering
  • Brake system
  • Body
  • Exterior
  • Interior
  • Electrical equipment
  • Equipment and instruments (until 2000)
  • Equipment and instruments (after 2000)
  • Electrical circuits
  • Wiring diagrams (petrol)
  • Wiring diagrams (diesel)
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