A8L Quattro Sedan V8-4.2L (AUX) (2001)
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Pull out cable for oxygen sensor -arrow, disconnect connector and push it down through opening.
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Remove right wheel.
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Loosen upper bolt between exhaust manifold and exhaust pipe (accessible through tie rod cut-out).
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Loosen lower bolts -arrows- between exhaust manifold and front exhaust pipe.
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Remove exhaust pipe from retainer bracket (arrow).
