A6 V6-3.0L (AVK) (2004)
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Install VW521/4 locking sleeve and 521/8 sleeve press tool onto housing side of differential housing.
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Rotate cover side of differential housing upward.
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Turn differential 5 rotations in each direction to seat the tapered roller bearing.
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Place VW385/17 magnetic plate onto differential.
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Install measuring tools.
A- Dial gauge extension approximately 30 mm long
B - Hex bolt M8 x 45
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Set dial gauge extension onto center of VW 385/17 magnetic plate.
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Set dial indicator (3 mm measuring range) to O with 2 mm preload.
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Lift the differential without turning it, read backlash on dial indicator and note.
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Measured value in the following example: 0.50 mm