REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Volkswagen Golf IV (1997 release)

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Volkswagen
	Golf 4
		Instructions
		Engine
		Cooling system
			Topping up the coolant
			Composition of the mixture coolant
			Substitution coolant
				Drain coolant
				Filling the cooling system
			Thermostat
			The radiator and radiator fan
			The water pump of petrol engines
			Water Pump Diesel Engine
			Coolant hoses
			Malfunction of the cooling system
		Fuel System
		Exhaust system
		Ventilation and heating system
		Coupling
		Transmission
		Suspension brackets and power shafts
		Steering
		Wheels and tires
		Brakes
		Body
		Electrical equipment and wiring

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Substitution coolant

Replacement of a cooling liquid must be carried out after any work on the cooling system from the draining coolant. If the repair is replacement of the cylinder head, cylinder head gasket, radiator or heat exchanger oil, it is necessary to make a fill only fresh coolant. This is due to the fact that the anti-corrosion additive in the coolant precipitates and creates corrosion protection. The coolant in the former operation, anticorrosion additives are not sufficiently active to form a protective layer on newly installed parts.

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Composition of the mixture coolant

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Drain coolant