Car cooling system Volkswagen Passat B5
Engine cooling system device
Elements of the engine cooling system 1.6-I/1.8-I 1 - heater radiator; 2 - return pipeline; 3 - throttle body; 4 - expansion tank; 5 - oil heat exchanger; 6 - intake manifold; 7 -...
Elements of the engine cooling system 1.6-I/1.8-I 1 - heater radiator; 2 - return pipeline; 3 - throttle body; 4 - expansion tank; 5 - oil heat exchanger; 6 - intake manifold; 7 -...
Topping up the coolant
The engine cooling system must be filled with a mixture of water, antifreeze and anti-corrosion agent G12. Additives to the coolant prevent the engine block from freezing and the...
The engine cooling system must be filled with a mixture of water, antifreeze and anti-corrosion agent G12. Additives to the coolant prevent the engine block from freezing and the...
Coolant mixture composition
The antifreeze content in the coolant should not exceed 60%, which corresponds to protection against freezing down to –40°C, since otherwise the protective and cooling properties...
The antifreeze content in the coolant should not exceed 60%, which corresponds to protection against freezing down to –40°C, since otherwise the protective and cooling properties...
Replacing the coolant
The coolant must be replaced after any work on the cooling system components with draining the coolant. If the cylinder head, cylinder head gasket, radiator or oil heat exchanger...
The coolant must be replaced after any work on the cooling system components with draining the coolant. If the cylinder head, cylinder head gasket, radiator or oil heat exchanger...
Removal and installation the thermostat
Removal Four-cylinder engine The thermostat is located in the water pump housing. On 1.6-I engines with the AHL code, the thermostat is attached to the cooling system pipe, on the...
Removal Four-cylinder engine The thermostat is located in the water pump housing. On 1.6-I engines with the AHL code, the thermostat is attached to the cooling system pipe, on the...
Removal and installation the radiator
Removal 1. Drain the coolant from the cooling system. 2. Remove the upper radiator mount. 3. If your vehicle has an additional electric radiator fan, disconnect the electrical...
Removal 1. Drain the coolant from the cooling system. 2. Remove the upper radiator mount. 3. If your vehicle has an additional electric radiator fan, disconnect the electrical...
Water pump (1.8-I and 1.6-I ADP engines)
Location of bracket mounting bolts with water pump, alternator and radiator fan viscous coupling Water pump for 1.8-I and 1.6-I ADP engines 1 - water pump cover, 2 - gasket, 3 -...
Location of bracket mounting bolts with water pump, alternator and radiator fan viscous coupling Water pump for 1.8-I and 1.6-I ADP engines 1 - water pump cover, 2 - gasket, 3 -...
Cooling system hoses
Check the condition of the cooling system hoses and if a defect is found, replace the hose as follows. Execution order 1. Drain the coolant from the cooling system. 2. Remove the...
Check the condition of the cooling system hoses and if a defect is found, replace the hose as follows. Execution order 1. Drain the coolant from the cooling system. 2. Remove the...
Cooling system malfunctions
Cause Method of elimination The coolant temperature is very high. The control lamp on the instrument cluster is on Not enough coolant in the cooling system Check and, if...
Cause Method of elimination The coolant temperature is very high. The control lamp on the instrument cluster is on Not enough coolant in the cooling system Check and, if...
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Passat B6
Passat B5
Passat B4
Passat B3
Passat B2
- General information
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- Maintenance
- Petrol engine 1.6L
- Engine repair
- Cooling and lubrication system
- Fuel injection system
- Petrol engine 2.0L
- Engine repair
- Lubrication system
- Cooling system
- Fuel and exhaust systems
- Diesel engine 2.0L
- Engine repair
- Cooling and lubrication system
- Fuel and exhaust systems
- Transmission
- Clutch
- Mechanical gearbox
- Automatic gearbox
- Drive shafts
- Chassis
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- Car suspension
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- Fuel system (petrol)
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- Transmission
- Clutch
- Car gearbox
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- Chassis
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- Supply system
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