A8L Quattro Sedan W12-6.0L (BSB) (2005)
Drive/Propeller Shaft: Testing and Inspection
Radial Run-Out on Flange/Driveshaft, Measuring and Identifying
Special tools, testers and auxiliary items required
‹› Universal Dial Gauge (VW 387)
‹› Dial Gauge
‹› Bolt M10•30
‹› Radial run-out must always be measured if the flange/driveshaft at rear final drive was removed. For this, make new color marking and remove old
color marking.
‹› If a new driveshaft is installed and the color marking on the drive flange of the rear final drive is no longer visible, location of largest radial
run-out (corresponding to greatest distance from turning axis) must be determined and marked with a color marking - arrow B -.
‹› This color marking - arrow B - is set opposite the color marking on the driveshaft - arrow A -.
‹› The radial run-out can be measured with the rear final drive installed.
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Remove driveshaft from rear final drive. Refer to => [ Driveshaft from Rear Final Drive ] See: Service and Repair/Removal and
Replacement/01AA,01EA,02XA,0A3A,01VA,09EA,09LA Transmission/Driveshaft From Rear Final Drive.
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Secure measuring tools with bolt - A - (M10x30) to rear final drive.
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Set dial indicator onto ground diameter in inside of driveshaft flange - arrow - and set to 0 with 1 mm preload.