S6 V8-4.2L (BBD) (2004)
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Tighten camshaft adjuster (observe locating dowels).
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Install bearing caps 3, 5, and 7 according to markings.
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Tighten bearing caps 3, 5, and 7 of intake and exhaust camshafts diagonally (observe locating dowels).
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Install remaining bearing caps of intake and exhaust camshafts and tighten them from inside to outside in alternating diagonal sequence.
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Tighten camshaft adjuster -10- (pay attention to alignment bushings).
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Remove bracket for chain tensioner 3366.
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Check camshafts for correct adjustment.
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Both markings at camshafts must align with markings on bearing caps -arrows-.
Note: To make sure that alignment is correct, turn camshaft in direction of engine operation.