A4 Quattro Wagon V6-3.0L (AVK) (2002)
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Loosen bolt (arrow) of eccentric pulley.
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Remove toothed belt.
Installing (adjusting valve timing)
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Camshafts aligned using T40030 camshaft adjuster gauge
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Crankshaft aligned using T40026 locking pin
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Camshaft gears loosened.
Note:
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Replace gaskets, O-rings and self-locking bolts.
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When turning camshaft, crankshaft must not be at TDC for any cylinder. Valves and/or pistons may be damaged.
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Bolt in camshaft gears -1- to -4- far enough so they can still just be turned without canting.
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Install toothed belt as depicted in illustration.
For exact valve timing adjustment, the toothed belt must make exact contact with front edge of all toothed belt gears.