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The power supply system and the control of diesel engines
Diesel engines of cars Golf III / Vento equipped with fuel system, controlled both by a mechanical drive (1Y, AAZ, AHU), and the digital system (1Z, AFN).
A WARNING When performing any work on the power system, observe the highest possible purity, thoroughly clean the area around the joints prior to their separation and stack the removed parts in a sealed container to prevent them dirt and condensate. To clean the parts, use only lint-free cloth. Do not use compressed air to clean is not removed from the car parts. |
The power supply system of diesel engines are particularly sensitive to the ingress of dirt, water and air.
| Fig. 3.16. Units and details of air engine 1Y: I 1 - the air intake pipe; 2 - the air filter; 3 - air filter element; 4 - the air; 5 - the intake manifold; 6 - a lining
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Components air systems of diesel engines are shown in Fig. 3.16, 3.17.
| Fig. 3.17. Units and details of air engine 1Z (I) and AAZ (II): 1 - intake manifold; 2 - a lining; 3 - the turbocharger; 4 - a cover of the air filter; 5 - the air; 6 - a pressure reducing valve; 7 - solenoid valve boost pressure; 8 - absolute pressure sensor; 9 - air flow meter; 10 - the filter element; 11 - the air filter
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