Allroad Quattro V8-4.2L (BAS) (2004)
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... slots (arrows) at front of camshafts must be parallel to and level with top edge of cylinder head.
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If necessary, turn camshafts slightly in one direction or the other at hex to permit insertion of camshaft locator T40046.
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If camshaft locator cannot be inserted, give crankshaft 1 complete turn (360°).
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Detach camshaft locator again.
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Remove screw plug out of upper part of oil pan.
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Screw locating bolt 3242 into hole (20 Nm); if necessary, turn crankshaft back and forth slightly to fully center bolt.
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Press tensioner guide rail for left timing chain in direction of (arrow) and set chain tensioner with 3.3 mm diameter drill bit item -1 -.
Note: All timing mechanism covers have been removed in the following illustrations.