Volkswagen Polo 3 with 1994 for 2001 of release.
1. The general data
2. The engine
3. Greasing system
4. Cooling system
5. Systems of injection of fuel
5.1. Measures on cleanliness maintenance at works on injection system
5.2. Security measures at works with injection system
5.3. Adjustment of idling and the maintenance WITH
5.4. Check of details of system of injection Mono-Motronic
5.4.1. Check of the device of heating of let in air
5.5. A cable of management throttle заслонкой
5.6. System of catching of steams of fuel
5.7. Check and replacement of the fuel pump
5.8. The fuel filter
5.9. System of injection of design Magnetti–Marelli 1 AV (since 1996)
5.10. System of injection of fuel Motronic МР 9.0 (since 1996)
6. Ignition system
7. Coupling
8. A mechanical transmission
9. A drive of wheels
10. A steering without the amplifier
11. A steering with the hydraulic amplifier
12. A forward suspension bracket
13. A back suspension bracket
14. Brake system
15. An electric equipment
16. Heating and ventilation system
17. An automatic transmission
18. Appendices
 











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5.4.1. Check of the device of heating of let in air

If the engine in a cold condition is started up hardly, probably, the device of heating of let in air is faulty. Work of the given device can be checked up as follows:
- To dismantle a branch pipe of giving of the warmed-up air;

Fig. 117. Explanatories to check of heating of let in air: 1 — position regulating заслонки during overlapping of a stream of warm air; 2 — position заслонки at temperature of external air from–20 to + 22 With




- To check up position and freedom of a course regulating заслонки in the case of the air filter (fig. 117 see). At temperature more than +22 заслонка should block an air line of warm air (poses. 1). At temperature from–20 to +22 With заслонка should be opened no more than on 2/3 (poses. 2).
It is possible to check up and thermocouple work, but it is for this purpose necessary special refrigerating an aerosol. If to put an aerosol on the thermocouple regulating заслонка should open access to warm air;
- Work regulating заслонки is necessary for checking. For this purpose to pull a short rubber tube on the union of joining of a vacuum hose and, подсасывая air from a hose, to check up, whether works regulating заслонка;
- Again to establish a vacuum hose, having fixed a safety clip;
- To disconnect a vacuum hose from the injector thermostat. Regulating заслонка approximately through 20 with should occupy the initial position again.



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5.4. Check of details of system of injection Mono-Motronic
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5.5. A cable of management throttle заслонкой