audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Toothed Belt Drive, Assembly Overview|Page 2915 > < Toothed Belt Drive, Assembly Overview|Page 2913
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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.

Toothed Belt Drive, Assembly Overview|Page 2915 > < Toothed Belt Drive, Assembly Overview|Page 2913