A4 Sedan V6-3.2L (BKH) (2007)
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Remove nuts - 1 - and - 3 - which are accessible from bottom for front exhaust pipe/exhaust manifold.
NOTE: To improve clarity, the removed engine is shown.
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Remove nut - 2 - at right bracket for front exhaust pipe.
NOTE: Ignore - 1 - .
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Separate exhaust system at clamping sleeve - right arrow - .
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Remove front exhaust pipe with catalytic converter.
Installing
Installation is in reverse order of removal, note the following:
NOTE:
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Replace gaskets, O-rings and self-locking nuts.
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Secure all hose connections using hose clamps appropriate for the model type.
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During installation, all cable ties must be re-installed at the same location.
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Electrical wire of oxygen sensor must always be secured in the same position when installing so that contact with the exhaust pipe is avoided.
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Align exhaust system free of tension.
NOTE: Individual components of exhaust system mounting
Torque specifications