A4 V6-3.0L (AVK) (2004)
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Remove coolant reservoir (arrow)
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Disconnect electrical wiring to Engine Coolant Level (ECL) Warning Switch -F66- at bottom of reservoir.
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Tie up coolant reservoir with connected coolant hoses -1- to -3- to the side.
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Disconnect vacuum hose to brake booster (arrows).
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Remove heat shield for harness connectors at left of bulkhead, if installed.
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Remove harness connectors -1- to -4- from bracket at left of bulkhead.
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Disconnect electrical harness connectors -1- and -4-.
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Move wires to oxygen sensors clear.