A8L Quattro Sedan V8-4.2L (BVJ) (2007)
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Remove the master gauge and install the measuring mandrel into the housing.
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Install the rear final drive cover and tighten the 4 bolts.
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Pull the 2nd centering plate as far as possible outward over the moveable ring so that the measuring mandrel can still be turned by hand.
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Turn the measuring mandrel using the dial gauge extension contacts the magnetic plate 50 mm diameter and the maximum runout is displayed. The
measured value is dimension "e" (red range of numbers).
