A6 V6-3.0L (AVK) (2004)
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For exact valve timing adjustment, the toothed belt must make exact contact with front edge of all toothed belt gears.
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Using 3387 pin wrench, turn eccentric pulley -1- in clockwise direction until the handle of the pin wrench is exactly above the center axle of
coolant pump gear -2-.
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Hold pin wrench in this position and tighten bolt -3- to 45 Nm.
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Place torque wrench horizontally on socket head of tensioning lever.
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Turn with 45 Nm in direction of arrow to pretension toothed belt.
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Using 8 mm socket head wrench, turn toothed belt tensioning roller in direction of arrow until T40011 pin can pulled out.