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Volkswagen Sharan (from 1995 to 2000, the year of issue)

general info. full specifications. diagnostics. hints. tips. tricks
Volkswagen Sharan
VR6 engine
The two-liter engine (ADY)
Engine oil
A fuel injection system VR6 engine
The system Simos injection 2.0-liter engine
The ignition system
Manual 5-speed gearbox
The drive shafts
Power steering
Front suspension
Rear suspension
Diesel engine
The lubrication system of the diesel engine
The cooling system of the diesel engine
Radiator and fan
The coolant pump
The power supply system of the diesel engine and turbocharger
Map service.

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The coolant pump
Fig. 468. The coolant pump 1 - a bolt, 20 Nm; 2 - the coolant pump; 3 - bolt 10 Nm; 4 - bolt 10 Nm; 5 - the coolant temperature sensor, 7 Nm; 6 - thermostat; 7 - bolt 10 Nm; A - is attached to the cylinder head; B - to the heat exchanger; C - the radiator heater; D - from the radiator

The thermostat controls the redistribution of coolant flow in the cooling system of the engine. The thermostat is disposed in the housing for the water pump cover, which has a sealing ring (see. Fig. 468).
The procedure for removing the thermostat (work carried out on the cold engine):
- Drain the coolant from the cooling system;
- Disconnect the feed hose;
- Remove the cover of the thermostat;
- Remove the thermostat with a sealing ring.

For easy access to the thermostat lift the front of the car and establish it on support.

The thermostat can not be repaired, so in case of malfunction, replace it. A simple checking of the thermostat is carried out as follows:

Verifying thermostat
Fig. 192. Verifying thermostat

- Suspend the thermostat on the wire and place it in the container with cold water (see. Fig. 192);
- Hang a thermometer (temperature measurement with an interval of at least 10-120 ? C) so that it does not touch the bottom of the vessel;
- Heat the water.
Check out:
1) if the thermostat begins to open at a temperature of 85 ? C;
2) at a temperature of 105 ? C thermostat should be fully open;
3) The pin must move out of the thermostat housing at least 7 mm.
If the thermostat does not stand this test, then it must be replaced.
When installing the thermostat, use a new gasket. Check the hose clamp before you install it again on the hose. Fill in cooling liquid in cooling system, as described in Sec. 19.1.1.

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The power supply system of the diesel engine and turbocharger

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