A4 Cabriolet L4-1.8L Turbo (AMB) (2005)
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Re-check TDC position of camshafts:
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Mark on two camshafts must be in line with arrows on bearing caps.
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Clean chain and camshaft sprockets opposite two arrows on bearing caps and mark installed position using colored markings.
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Distance between two arrows or between colored markings is 16 rollers on drive chain.
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Notch on exhaust camshaft is offset slightly toward inside in relation to chain roller -1-.
Note: Do not mark chain with a center punch or by making a notch, etc.
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First remove bearing caps 3 and 5 on intake and exhaust camshafts.
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Remove double bearing cap.
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Remove both bearing caps on intake and exhaust camshaft chain sprockets.
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Remove bolts securing camshaft adjuster.