A3 Quattro V6-3.2L (BUB) (2008)
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Remove front exhaust pipe nuts accessible from bottom from exhaust manifolds - arrows -.
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Remove front vehicle floor crossmember by removing nuts - 1 - and - 2 -.
NOTE: Flex joints in front exhaust pipe must not be bent more than 30 degrees, otherwise they may be damaged.
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Separate exhaust system at clamping sleeve - 3 -.
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Remove exhaust system bracket - arrows - and remove exhaust system.
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Remove front exhaust pipe with catalytic converter and front muffler.
Installing
Installation is in reverse order of removal, note the following.
NOTE: Replace gaskets and self-locking nuts.
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Align exhaust system free of tension.
Tightening Specifications
Component
Nm
Front exhaust pipe to exhaust manifold
40 1
Catalytic converter to front exhaust pipe
23 1
Oxygen sensor in front exhaust pipe
55
Exhaust system bracket to subframe
23