Audi A4 with 2001- 2005 of release.
1. Operation and car maintenance service
2. The engine
2.1. The general data
2.2. Predvaritlnye checks
2.3. A Mehanichsky part (petrol engines 2,0л)
2.4. Greasing system
2.5. Cooling system
2.5.1. Removal and installation of the thermostat of system of the cooling operated on algorithm
2.5.2. Check of the thermostat of system of the cooling operated on algorithm
2.5.3. Removal and installation of the water pump
2.5.4. Опрессовка cooling systems
2.6. Injection system
2.7. System of release of the fulfilled gases
2.8. A mechanical part (petrol engines 3,0; 3,2)
2.9. A mechanical part (petrol engines 4,2)
2.10. A mechanical part (diesel engines 2,0)
2.11. Tables
3. Transmission
4. A running gear
5. The steering mechanism
6. Brake system
7. An onboard electric equipment
8. A body
9. Electric equipment schemes
 




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2.5.3. Removal and installation of the water pump

Removal
Open a cover of a broad tank of system of cooling.

Fig. 2.54. An engine casing


Remove an engine casing (fig. 2.54).

Fig. 2.44. Bolts of an exhaust pipe of an independent additional heater


In cars with an additional heater unscrew bolts of an exhaust pipe of an independent additional heater from шумоизоляционного the screen (fig. 2.44).

Fig. 2.45. Fastening of a forward noise isolation


Loosen the quick disconnect муфты 1 and 2 also remove a forward noise isolation (fig. 2.45).
Merge cooling liquid.
Remove a gear belt.

Fig. 2.214. Removal of the pump of a cooling liquid


Turn off fixing screws of 1 pump of a cooling liquid 2 and cautiously take it (fig. 2.214).
Remove a sealing ring of round section 3.

Installation
Installation is carried out in return sequence.
Clear or process a sealing surface under a sealing ring of round section.
Moisten a new sealing ring 3 cooling with liquid G12 +.
Establish the pump of a cooling liquid 2 (fig. 2.214).
Adjusting position: заглушки on the case should be turned downwards.
Tighten bolts of 1 water pump the moment 15 Нм.
Establish a gear belt.
Establish поликлиновый a belt.
Fill in cooling liquid.
Establish a framework of a radiator with hinged components.

Fig. 2.96. Fastening of the rubber buffer


Lower an emphasis of a support against проворачивания at the expense of a body weight on the rubber buffer and tighten nuts (fig. 2.96).
Establish a casing of a forward bumper.
Check up adjustment of headlights.

The inhaling moments
The water pump to the block of cylinders: 15 Нм.
Cover of a gear belt to the block of cylinders: 10* Нм.
Emphasis of a shaking support: 28 Нм.
* Establish on a carving varnish.


2.5.2. Check of the thermostat of system of the cooling operated on algorithm

2.5.4. Опрессовка cooling systems