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 cooling system serves for compulsory tap from cylinders of the engine of heat and transfer to its air. System of cooling of engines (VR6 and 2,0) liquid, the closed type, with compulsory circulation, with a broad tank.

The prevention
On the hot engine the cooling system is under pressure. Never at once open a cover of a broad tank, preliminary without having lowered pressure gradual отворачиванием a cover of a broad tank.

Circulation of a cooling liquid in system occurs by means of the pump of centrifugal type.
The electric fan (or fans at engine VR6) has plastic крыльчатку, established on an electric motor shaft. Inclusion and fan deenergizing is carried out from the on-off temperature switch located on a left-hand side of a radiator. On the first position the temperature switch includes the fan at temperature of a cooling liquid between 92 and 97 With, and on the second position — at temperature between 99 and 105 C. If the temperature of a cooling liquid goes down, inclusion of the temperature switch passes in the opposite direction. At temperature of a cooling liquid between 91 and 98 C the temperature switch working in the second position, switches off the fan of system of cooling, and on the first position the fan is switched off at temperature between 84 and 91 C. On both engines the temperature of switching of the temperature switch is equal.
The broad tank is included too into system of cooling of the engine.

Fig. 181. A part of details of system of cooling of engine VR6: 1 — a rubber support; 2 — the top hose of a radiator from the thermostat case; 3 — a radiator; 4 — a radiator casing; 5 — a bolt, 10 Нм; 6 — a rubber washer; 7 — a basic foot; 8 — штекерная колодка the right fan (black); 9 — a collar for штекерной колодки the right fan; 10 — the right fan; 11 — a fan casing; 12 — an inlet hose; 13 — a hose under pressure; 14 — the air pump of a high pressure; 15 — a collar for a hose; 16 — a bolt, 25 Нм; 17 — the left fan; 18 — штекерная колодка for the left fan (black); 19 — the bottom hose of a radiator (from the thermostat); 20 — штекерная колодка the temperature switch (black); 21 — the temperature switch for the fan





In system of cooling of engine VR6 on a radiator 3 (fig. 181) it is established two fans: right 10 and left 17, with a casing 4 corresponding forms. Both fans have a separate electric chain. On engine VR6 near to a radiator the secondary pump — the air pump of a high pressure 14 is located.

Fig. 182. A part of details of system of cooling of the 2,0-litre engine: 1 — a radiator; 2 — a radiator casing; 3 — the top hose of a cooling liquid; 4 — a bolt, 10 Нм; 5 — a basic bar; 6 — the bottom hose of a cooling liquid; 7 — an adjusting ring of the fan; 8 — the fan of system of cooling; 9 — штекерная колодка the temperature switch, black colour; 10 — the temperature switch, 35 Нм





At system of cooling of the 2,0-litre engine on a radiator one fan 8 (fig. 182) with a casing 2 is established.