Allroad Quattro V8-4.2L (BAS) (2004)
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Give crankshaft 30° turn in direction opposite to that of engine rotation (arrow).
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Pull drill bit out of setting hole, thus releasing left chain tensioner.
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Insert plastic wedge 3409 as shown and move chain tensioner until it makes contact with plastic wedge 3409.
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Approximately 0.5 mm extra is permissible
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Pull drill bit out of setting hole, thus releasing right chain tensioner.
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Insert plastic wedge 3409 as shown and move chain tensioner until it makes contact with plastic wedge 3409.
^
Approximately 0.5 mm extra is permissible
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Turn crankshaft in direction of engine rotation (arrow) to no. 8 cyl. TDC ignition point.
Note: In the event of inadvertent turning beyond TDC, turn crankshaft back again by 30° and approach TDC again.