A4 Quattro Wagon V6-3.0L (AVK) (2002)
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Remove central bolt -1- for crankshaft toothed belt gear -2-.
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Remove toothed belt gear and diamond disc -3-.
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Unbolt eccentric roller 3, tensioning lever 2 with tensioning roller and tensioner 1
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Unscrew locking bolt from adjustment hole -3-.
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Press chain tensioner-1- in direction of arrow until a drill bit 3 mm -2- can be slid into the alignment hole of sealing flange and chain tensioner.
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Remove bolts -1- and -2-.
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Remove front sealing flange.
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Drive out sealing ring with the flange removed.
Note: Remove chain tensioner to replace sealing flange, Refer to Oil Pump, Service and Repair.
Installing
Installation is reverse of removal:
Note: Always replace seals, sealing rings and self-locking bolts.
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Clean sealing surfaces before installing sealing flange.
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Install front sealing flange with secured chain tensioner.