A4 V6-3.0L (AVK) (2004)
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Remove bracket for front exhaust pipe (arrow).
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Expose oxygen sensor wires.
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Remove nuts -1- and -3- which are accessible from bottom for front exhaust pipe/exhaust manifold.
NOTE: Illustration is shown with engine removed.
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Remove front exhaust pipe with catalytic converter.
Installing
Installation is the 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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Wires of oxygen sensors must always be secured in the same position when installing so that contact with the exhaust pipe is avoided.
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Install exhaust system free of stress.
NOTE: Individual mounting components for exhaust system to transmission on vehicles with manual transmission, See Fig. 3.
Fig. 3 Individual left mounting components for vehicles with manual transmission
1
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Self-locking nut (25 Nm)
2
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Spacer sleeve
3
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Strap
4
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Buffer
5
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Spacer sleeve
6
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Bolt (25 Nm)
7
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Washer
8
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Compression spring
9
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Spacer sleeve
Tightening torques
Component.........................................................................................................................................................................................................................Nm
Front exhaust pipe with catalytic converter to exhaust manifold..........................................................................................................................................27