Diesel engine cooling system Volkswagen Sharan 1

Diesel Engine Cooling System — General Information
The cooling system is liquid, closed type, with forced circulation and expansion tank. The radiator is aluminum. Caution! When working in the engine compartment, always turn the...

Filling the cooling system with coolant
Filling the cooling system with coolant is done on a cold engine. Procedure: unscrew the expansion tank cap; Caution: Place a thick cloth around the cooling system cap and turn...

Radiator Cap and Radiator Check
The cooling system operates under pressure. The radiator cap has a built-in spring, which is selected in such a way that the cap gasket closes the cooling system circuit and opens...

Removal and installation the radiator
The radiator is removed together with the electric fan. Removing the radiator is a labor-intensive job, as a fairly large number of parts must be removed before you can get to the...

Checking the cooling system fan
A faulty fan can cause the engine to overheat. If the fan breaks down while driving, you should stop, let the engine cool down, and then drive at medium speed to the nearest...

Removal and installation the water pump
Fig. 467. Elements of the cooling system located on the engine: 1 - bolt, 20 Nm; 2 - pulley; 3 - poly V-belt; 4 - bolt, 10 Nm; 5 - coolant pump; 6 - bolt, 20 Nm + 90°; 7 - sealing...

Coolant pump repair
Fig. 468. Coolant pump: 1 - bolt, 20 Nm; 2 - coolant pump; 3 - bolt, 10 Nm; 4 - bolt, 10 Nm; 5 - coolant temperature sensor, 7 Nm; 6 - thermostat; 7 - bolt, 10 Nm; A - attached to...

Poly V-belt — removal and installation
The poly V-belt must be removed to access the coolant pump, alternator or crankshaft pulley. Fig. 469. To loosen the tension of the poly V-belt, turn the tension roller in the...

Thermostat — Removal, Installation and Checking
Fig. 468. Coolant pump: 1 - bolt, 20 Nm; 2 - coolant pump; 3 - bolt, 10 Nm; 4 - bolt, 10 Nm; 5 - coolant temperature sensor, 7 Nm; 6 - thermostat; 7 - bolt, 10 Nm; A - attached to...

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