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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Volkswagen Passat B5 (from 1996 to 2004, the year of issue)

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Volkswagen Passat B5
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Volkswagen
Passat B5
Instructions
Maintenance
Engines
Cooling
general information
Topping up the coolant
Composition of the mixture coolant
Substitution coolant
Thermostat
Radiator
The water pump (engine-I 1,8 and I 1,6-ADP)
Coolant hoses
Malfunction of the cooling system
Fuel system
Motor Control
An exhaust system
Transmission
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Heating, ventilation
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Malfunction of the cooling system



CAUSE
SOLUTION
The coolant temperature is very high. At the same time the instrument cluster warning light
Insufficient cooling liquid in the cooling system Check and, if necessary, bring to the coolant level. At constant coolant loss, determine and correct the cause of coolant leakage.
Do not open the thermostat Check whether the hot water hoses connected to the radiator. If the hoses are cold, remove the check operation and, if necessary, replace the thermostat. Alternatively, remove the thermostat. Thus the engine will warm up to normal operating
Dirty outer surface of the radiator Blow the radiator with compressed air from the engine compartment.
Reduced permeability of the radiator due to deposits on the inner surface of the heat sink of lime or rust Replace the heat sink.
Radiator fan is not working Replace the drive belt viskomufty radiator fan.
For additional fan power connection Check the electrical connections to the thermal sensor and fan motor. Check the engine cooling fan, which disconnect the electrical connector from the temperature sensor and lock the connector pins. Ignition radiator fan should work. Otherwise, replace the radiator fan motor.
Faulty valve in the lid of the expansion tank Check the valve under pressure.
Faulty coolant temperature Check the indicator and coolant temperature sensor.
It does not work the water pump Replace the drive belt of the water pump.




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Coolant hoses
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