A4 Quattro Wagon V6-3.0L (AVK) (2002)
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Remove bracket for front exhaust pipe (arrows).
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Expose oxygen sensor wire.
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Remove nuts -1- and -3- for front exhaust pipehaust manifold which are accessible from bottom.
Note: Illustration is shown with engine removed.
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Loosen lower nuts -1- several turns on left and right of engine mount.
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Press transmission to the right.
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Remove front exhaust pipe with catalytic converter.
Installing
Installation is reverse of removal:
Note:
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All cable ties opened or cut during engine removal must be reinstalled at the same locations during installation.
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Oxygen sensor threads are coated with an assembly paste. This paste must not contact sensor openings.
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Oxygen sensor wiring must always be secured in the same position when installing so that contact with the exhaust pipe is avoided.
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Replace gaskets and self-locking nuts.
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Install subframe:
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Install engine free of stress.
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Install exhaust system free of stress.
Note: Individual mounting components for exhaust system to transmission on vehicles with automatic transmission, Refer to Exhaust System
Components, Overview, See Fig 6