A4 Sedan L4-1.8L Turbo (AEB) (1997)
Coolant Line/Hose: Service and Repair
Coolant line (lower), removing and installing
Removing
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Drain coolant. See: Engine, Cooling and Exhaust/Cooling System/Service and Repair
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Remove intake air duct between intake manifold and charge air cooler.
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Remove hose -4- to oil cooler at lower coolant line -2-.
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Remove hose -5- to heater core at lower coolant line.
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Remove lower coolant line from hose -1- at coolant pump.
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Unbolt lower coolant line from oil filter bracket -3-.
Installing
Installation is the reverse of removal, noting the following:
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Fill with coolant. See: Engine, Cooling and Exhaust/Cooling System/Service and Repair
WARNING! The cooling system is pressurized when the engine is warm. When opening the expansion tank, wear gloves and other
appropriate protection, cover the cap using a cloth, and open carefully to relieve system pressure slowly.