Removal and installation of the water pump. Audi A4 (from 2001 to 2005 release)
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
2.5.1. Removal and installation of the thermostat of the cooling system operated on an algorithm
2.5.2. Check of the thermostat of the cooling system operated on an algorithm
2.5.3. Removal and installation of the water pump
2.5.4. Pressure testing of the 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)
2.11. 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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2.5.3. Removal and installation of the water pump

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

Fig. 2.54. Engine casing


Remove a casing of the engine (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 the noise-insulating screen (fig. 2.44).

Fig. 2.45. Fastening of a forward noise isolation


Weaken quick disconnect couplings 1 and 2 and remove a forward noise isolation (fig. 2.45).
Merge cooling liquid.
Take off a gear belt.

Fig. 2.214. Removal of the pump of cooling liquid


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

Installation
Installation is carried out in the return sequence.
Clear or process a sealing surface for a sealing ring of round section.
Moisten a new sealing ring with the 3rd G12+ cooling liquid.
Install the pump of cooling liquid 2 (fig. 2.214).
Adjusting situation: caps on the case have to be turned down.
Tighten bolts of 1 water pump the moment of 15 N · m.
Establish a gear belt.
Establish a poliklinovy belt.
Fill in cooling liquid.
Establish a radiator frame with hinged components.

Fig. 2.96. Fastening of the rubber buffer


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

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


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

2.5.4. Pressure testing of the cooling system