Repair VW Sharan

. Diesel engines: 1,9 l TDI.
+ 1. Introduction
+ 2. Engine VR6
+ 3. The two-litre engine (ADY)
+ 4. System of greasing of the engine
- 5. Cooling system
   + 5.1. A cooling liquid
   + 5.2. A radiator and the fan
   + 5.3. The pump of water cooling of the 2,0-litre engine
   + 5.4. The pump of water cooling of engine VR6
   5.5. The thermostat of the 2,0-litre engine
   5.6. Engine VR6 thermostat
   5.7. A poliklinovoj belt
   5.8. The circulating pump of a cooling liquid
+ 6. System of injection of fuel of engine VR6
+ 7. System Simos of injection of fuel of the 2,0-litre engine
+ 8. Ignition system
+ 9. Coupling
+ 10. A mechanical 5-step transmission
+ 11. Shaft of a drive of wheels
+ 12. The steering hydraulic booster
+ 13. A forward suspension bracket
+ 14. A back suspension bracket
+ 15. Brake system
+ 16. An electric equipment
+ 17. The diesel engine
+ 18. System of greasing of the diesel engine
+ 19. System of cooling of the diesel engine
+ 20. The power supply system of the diesel engine and turbocharger
+ Maintenance service card
+ Specifications and characteristics
+ Electroschemes




Folksvagen Sharan/Sharan repair>> Cooling system>> The thermostat of the 2,0-litre engine

Fig. 188. The pump of water cooling of the 2,0-litre engine in the disassembled kind: 1 — a bolt, 25 Нм; 2 — a pulley; 3 — a bolt, 10 Нм; 4 — the water pump; 5 — a lining, replace; 6 — the thermostat; 7 — an O-shaped sealing ring, always on replacement; 8 — the connecting union; 9 — a collar; 10 — a cover of the case of the thermostat; 11 — a pulley поликлинового a belt





The thermostat 6 (fig. 188 see) is located in the case of the water pump under a cover 10 which has an O-shaped sealing ring.
Thermostat removal spend in a following order:

The prevention
The thermostat can be removed only on the cold engine.

- Accurately open a cover of a broad tank and merge cooling liquid at least to level of installation of the thermostat (about 4 l of a cooling liquid);
- Disconnect a hose from a cover of the thermostat and uncover;
- Take the thermostat from the case and remove the O-shaped sealing ring from a thermostat cover.

The note
The faulty thermostat is not subject to repair, therefore in case of malfunction, it is necessary to replace it.

Check of working capacity of the thermostat spend as follows:

Fig. 192. Check of working capacity of the thermostat





- Suspend the removed thermostat on a piece of a wire and lower it in the vessel filled with cold water with the thermometer (fig. 192);
- Gradually heat up water. The serviceable thermostat should start to open approximately at 85 C. At temperature 105 C the thermostat should open completely, and its core should act from the case not less, than on 7 mm;
- In the event that the thermostat does not meet the given requirements, it is necessary to replace it.
At thermostat installation:
- Use a new O-shaped sealing ring;
- Check up a hose clip before again it to establish on a hose;
- Fill in cooling liquid in cooling system.