RS 6 V8-4.2L Turbo (BCY) (2003)
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Remove toothed belt.
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Remove central bolt -2- for crankshaft sprocket -1-.
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Remove toothed belt sprocket.
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Unbolt eccentric wheel -3-, tensioning lever with tensioning roller -2- and belt tensioner -1-.
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Unscrew oil spray jet -2-.
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Unscrew bolts -1-.
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Remove lower section of sump.