Volkswagen Polo 3 with 1994 for 2001 of release.
1. The general data
2. The engine
2.1. Removal and engine installation
2.2. Dismantling and engine assemblage
2.3. A head of the block of cylinders and valves
2.3.1. Removal of a head of the block of cylinders at the established engine
2.3.2. Dismantling of a head of the block of cylinders
2.3.3. Дефектовка and repair of a head of the block of cylinders and its details
2.3.4. Assemblage of a head of the block of cylinders
2.3.5. Installation of a head of the block of cylinders
2.3.6. Hydraulic pushers
2.3.7. Replacement of a cuff of a camshaft
2.4. Pistons and rods
2.5. The block of cylinders
2.6. A cranked shaft and radical bearings
2.7. A drive газораспределительного the mechanism
2.8. System of release of the fulfilled gases (ОГ)
3. Greasing system
4. Cooling system
5. Systems of injection of fuel
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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2.3.6. Hydraulic pushers

The prevention
Hydraulic pushers demand care, at non-observance of rules of the reference with them it is possible to damage the engine.

These rules the following:
- At storage of their pushers it is necessary to establish end faces downwards;
- To replace a pusher follows always in gathering as they are not calculated on dismantling or repair;
- Knock of valves at engine start-up is the normal phenomenon. However if this knock seems too loud pushers can be checked up as follows:
1) to start up engine, to wait, while the fan will join;
2) to increase frequency of rotation within approximately two minutes to 2500 mines-1;
3) if pushers still continue to work with noise it is possible to define a faulty pusher for what to dismantle a cover of a head of the block of cylinders and to turn a cranked shaft until when the cam of a camshaft of a controllable pusher will look upwards;
4) to wring out a cam downwards a wooden or plastic wedge, as is shown in fig. 54. If the free wheeling of a pusher before valve opening exceeds 0,10 mm, it is necessary to replace a pusher.

Fig. 54. Check of a hydraulic pusher







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2.3.5. Installation of a head of the block of cylinders
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2.3.7. Replacement of a cuff of a camshaft