A4 V6-3.0L (AVK) (2004)
Vehicles with drain plug:
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Turn radiator drain plug -2- counterclockwise, if needed attach accessory hose to connection flange and drain coolant.
Vehicles without drain plug:
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Remove retaining clamp for Engine Coolant Temperature (ECT) Sensor (on Radiator) -G83-.
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Remove Engine Coolant Temperature (ECT) sensor from outlet and drain coolant.
All:
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Pull off retaining clip -1- for lower coolant hose and disconnect coolant hose from radiator.
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Disconnect left coolant hose from radiator (arrow).
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Remove cover -1- in engine compartment (left side).
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Disconnect top coolant hose (arrow) from radiator.