A4 Sedan V6-3.2L (BKH) (2007)
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Setup of flange shaft with polygon bearing
1. Flange shaft
2. Needle bearing (polygon bearing)
3. Spacer ring
4. Circlip
5. Not installed
Note:
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If the polygon bearings do not run smoothly with the flange shaft removed, this does indicate that the bearings are faulty. A test for noisy
bearings can only be performed with the bearings installed.
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Watch for damage to the polygon bearings (e.g. cracks in bearing outer ring)
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If polygon bearings are damaged, flange shaft must be replaced.
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Coat outer edge and sealing lip of oil seal with axle oil.
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Installation position: The open side of the sealing ring faces the transmission.
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Drive in new sealing ring for left flange shaft uniformly using driver 2062 5.5 mm below surface of cover, do not cant when doing so.
Note:
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If reinstalling an old flange shaft, the seal must be driven in approx. 6.5 mm so that the new seal does not sit on the running surface of the old
seal.
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Install left flange shaft.
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Check gear oil level in front final drive.
