A6 Quattro Wagon V6-3.0L (AVK) (2002)
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Remove bolts -1 to 4- for transmission mount.
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Unbolt both transmission mounts -5- and -6- at transmission housing and remove transmission supports with transmission mounts.
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Slowly lower transmission again.
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Expose oxygen sensor wires.
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Remove nuts -1- and -3- for front exhaust pipe/exhaust manifold which are accessible from bottom.
NOTE: Illustration is shown with engine removed.
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Remove front exhaust pipe with catalytic converter.
Installing
Installation is reverse of removal, noting the following:
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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Replace gaskets and self-locking nuts.
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Install transmission mounts and supports.
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Install subframe:
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Installing drive shaft:
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Align exhaust system tension-free.
NOTE:
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Individual parts of the exhaust hangers at transmission for vehicles with front wheel drive.
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Individual parts of the exhaust hangers at transmission for vehicles with all wheel drive.
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Oxygen sensor threads are coated with an assembly paste. This paste must not contact sensor openings.
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Cable of oxygen sensor must always be secured in the same position when installing so that contact with the exhaust pipe is avoided.
Tightening torques
Component
Nm
Front exhaust pipe with catalytic converter
to exhaust manifold
27
Front exhaust pipe with catalytic converter
to hanging strap
25
Drive axle protection to transmission
23
Oxygen sensor to catalytic converter
55