Audi A3

Since 1997 of release

Repair and car operation



Audi A3
+ The maintenance instruction
+ Current leaving and service
+ The engine
- Systems of cooling, heating
   - System of cooling of the engine
      Antifreeze – a protection frame from freezing
      Replacement of a cooling liquid
      Removal, installation and thermostat check
      Removal and radiator and fan installation
      Removal and installation of the pump of a cooling liquid
      Check of system of cooling under pressure
      Check of a thermoswitch of the fan of cooling
   + Systems of ventilation, heating and air conditioning
+ The power supply system and release of the fulfilled gases
+ Engine electric equipment
+ Manual box of a gear change
+ Automatic transmission and models with a full drive
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electroschemes





Removal and installation of the pump of a cooling liquid

REMOVAL

PERFORMANCE ORDER
1. Merge cooling liquid.
2. Turn away screws of fastening and remove the bottom and right lateral cover of an impellent compartment (the marksman on an illustration). On an illustration execution with the petrol engine is shown. Removal of the bottom cover at the diesel engine is considered in subsection Removal and installation of the bottom cover of an impellent compartment.
3. Remove клиновой a belt of a drive of the pump of a cooling liquid, address to subsection Removal and installation ridge клинового a belt.
4. Turn away 3 screws of fastening with internal шестигранником and remove натяжитель from the holder.
5. Establish the piston of the first cylinder in ВМТ. Loosen the a tension of a gear belt also remove it only above from a camshaft pulley, address to subsection Removal, installation and a tension of a gear belt.

ATTENTION

Демпфер крутильных fluctuations and the bottom casing of a belt can to be removed.


6. For protection of a gear belt against a following cooling liquid close a belt a rag.
The petrol engine
7. The engine of 150 h.p.: Turn away bolts of fastening and remove a broad tank. Take him aside with the attached hoses. Remove around the pump of a cooling liquid a pipe of forced air, for what ослабьте collars.
8. Engines of 1.6 l: Turn out bolts–1 and–5 and remove a back protective cover of a gear belt–2.
9. All engines: Turn away 3 bolts of fastening of the pump of a cooling liquid–4 and remove it, cautiously having deduced along an engine support. Remove a sealing ring–3.
10. Remove covers of a gear belt.
INSTALLATION
11. Carefully clear sealing surfaces for a ring.
12. Moisten a new sealing ring with a cooling liquid and insert.
13. Establish the pump of a cooling liquid. Position of installation at all engines: the Stopper in the case shows downwards.
14. The engine of 1.6 l: Establish into place a back protective cover of a gear belt. Tighten a bolt–1 moment 20 Н m, address to an illustration.
15. Fix the pump of a cooling liquid three bolts the moment 15 Н m.
16. Establish a gear belt, thus address to subsection Removal, installation and a tension of a gear belt.
17. Fix натяжитель клинового a belt three screws with internal шестигранником the moment 25 Н m.
18. Establish клиновой a belt, thus address to subsection Removal and installation ridge клинового a belt.
19. Fill system with a cooling liquid, thus address to corresponding subsection.
20. The engine of 150 h.p.: Fix a broad tank. Insert a pipe of forced air around the pump of a cooling liquid, fix collars.
The diesel engine
21. Disconnect fuel hoses (an arrow of an accompanying illustration) at ТНВД. For this purpose open collars and shift them back. Close fuel hoses, for example, by means of polyethylene and rubber rings to exclude hit in dirt system.
22. Расстыкуйте a socket–2 gauges of temperature/pressure of a soaking up pipe.
23. Remove a pipe of giving of air–1, having weakened collars.
24. Remove the bottom pipe of giving of air–2, having weakened bolts–1 and–3.
25. Remove a gear belt from pulleys of a camshaft and ТНВД, address to subsection Installation of the piston of the first cylinder in ВМТ.
26. Disconnect rejecting roller–2.
27. Remove a bolt of fastening–1 rejecting rollers and press a roller approximately on 30 mm downwards.
28. Turn away 3 bolts of fastening–3 pumps of a cooling liquid–4 and cautiously take out it. Remove a sealing ring–5.
INSTALLATION
29. Carefully clear a surface under a sealing ring.
30. Moisten a new sealing ring with a cooling liquid and put it into place.
31. Establish the pump of a cooling liquid. Pump position: the stopper in the case should look downwards.
32. Fix the pump three bolts the moment 15 Н m.
33. Fix rejecting roller a new bolt–1. Tighten a bolt at first the moment 40 Н m, then tighten a bolt a rigid key on a corner 90 (1/4 turns).
34. Establish a gear belt, address to subsection Installation of the piston of the first cylinder in ВМТ.
35. Tighten 3 screws of fastening натяжителя the moment 25 Н m.
36. Fix a pipe of forced air on the holder, fix collars.
37. Establish клиновой a belt, address to subsection Removal and installation клинового a belt.
38. Fill system with a liquid, address to subsection Replacement of a cooling liquid.
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