Service of Audi A4 from 2001 to 2005 release.
1. Operation and maintenance of the car
2. Engine
2.1. General information
2.2. Predvaritlny checks
2.3. Mekhanichsky part (petrol engines 2,0l)
2.4. Lubrication system
2.5. Cooling system
2.6. System of injection
2.7. System of production of the fulfilled gases
2.8. Mechanical part (petrol engines 3,0; 3,2 l)
2.9. Mechanical part (petrol engines of 4,2 l)
2.10. Mechanical part (diesel engines of 2,0 l)
2.10.1. Number of the engine
2.10.2. Glow plugs
2.10.3. Removal and installation of a poliklinovy belt
2.10.4. Removal and installation of a tension element of a poliklinovy belt
2.10.5. Removal and installation of a quencher of tortional fluctuations
2.10.6. Removal and installation of an arm of additional units
2.10.7. Removal and installation of a gear belt
2.10.8. Correction of phases of gas distribution
2.10.9. Provorachivaniye of the crankshaft to VMT
2.10.10. Sealing flanges and two-mass flywheel / flywheel
2.10.11. Removal and installation of a flywheel, cars from multitronic
2.10.12. Conrod and piston group
2.10.13. Removal and installation of a cover of a head of the block of cylinders
2.10.14. Repair of the valvate mechanism
2.10.15. Removal and installation of cam-shafts
2.10.16. Removal and installation of roller levers
2.10.17. Replacement of oil scraper caps
2.10.18. Check of hydraulic pushers
2.11. Tables
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
8. Body
9. Schemes of electric equipment
 




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2-10-18-proverka-gidravlicheskikh-tolkatelejj.html

2.10.18. Check of hydraulic pushers

NOTE
The hydraulic pushers pressed in roller levers cannot be repaired.
The irregular knock of valves at start of the engine is normal.

Procedure for test
Start the engine and a podozhdayta until the fan of a radiator turns on at least once.
Raise turns for 2 min. up to 2500 min.-1, if necessary carry out a trial trip.

NOTE
If the irregular knock of valves vanishes, but at trips on short distances appears again, then the oil reducing valve is faulty. The oil reducing valve is located in the holder of an oil filter. The backpressure oil valve cannot be replaced separately.

If hydraulic pushers still rustle, then it is possible to define faulty or faulty pushers as follows.
Uncover GBTs.
You twist the crankshaft until the cam of the checked hydraulic pusher appears above.

Cars with the mechanical transmission
With the included 4th transfer and the switched-off ignition to advance.

Cars with the multitronic transmission
Remove a noise-insulating guard, a support against a provorachivaniye and a support emphasis against a provorachivaniye, wring out a casing from a damper of tortional fluctuations and turn the crankshaft for the central bolt of a damper of tortional fluctuations clockwise.
Define a gap between cams and roller levers.

Fig. 2.531. Check of a hydraulic pusher


Press by means of the screw-driver the roller lever (fig. 2.531) down.
If between a cam-shaft and the roller lever the probe 0,20 mm thick enters, replace a hydraulic pusher, having removed for this purpose the roller lever.

Sizes of valves

NOTE
Valves are forbidden to be processed. Only grinding in is allowed.


2.10.17. Replacement of oil scraper caps

2.11. Tables