A4 Quattro Sedan V6-3.0L (AVK) (2002)
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Disconnect electrical wiring to Engine Coolant Level (ECL) Warning Switch -F66- at bottom of coolant reservoir.
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Tie coolant reservoir with connected coolant hoses -1 to 3- to 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.
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Unscrew oxygen sensor behind catalytic converter (arrow) using special tool 3337/7.
Note: Illustration is shown with engine removed.
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Remove nut -2- for exhaust pipehaust manifold which is accessible from top.
Note: Illustration is shown with engine removed.
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Remove left front wheel.