RS 6 V8-4.2L Turbo (BCY) (2003)
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Unbolt ribbed belt tensioning roller (arrow).
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Remove cover for bottom idler wheel.
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Remove bottom idler wheel for ribbed belt (arrow).
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Remove upper toothed belt guard on left and right.
WARNING: Engine must only be turned over at crankshaft in direction of engine rotation (clockwise).
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Set crankshaft to markings for TDC of No. 5 cylinder by turning central bolt on crankshaft sprocket in direction of rotation.
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Notch -B- aligned with marking -A-.
Note: Turn over engine at central bolt on crankshaft.
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Check position of camshafts:
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Larger holes (arrows) in securing plates on camshaft sprockets should point inwards.
