A8L V8-4.2L (BFM) (2004)
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Loosen 8 securing bolts -1- and remove vibration damper from crankshaft.
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Remove upper idler wheel for ribbed belt (arrows).
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Remove center toothed belt guard.
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Remove securing bolts (arrows) and remove torque reaction support.
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Remove bracket for torque reaction support -arrows-.
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Remove toothed belt.