RS 6 V8-4.2L Turbo (BCY) (2003)
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Loosen knurled screw and turn inner part against crankshaft until oil seal is pulled out.
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Clamp flats of oil seal extractor in vise. Remove oil seal with pliers.
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Mark front side of thrust ring (arrow) with a water-resistant felt-tip pen.
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Pull thrust ring off crankshaft.
Installing
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Clean contact surface and sealing surface.
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Do not lubricate sealing lip or outer circumference of seal before pressing in.
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Press in seal using thrust piece T40007 and center bolt.
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Turn thrust ring front to back and install on crankshaft.
Note:
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The reason for turning thrust ring is to allow new oil seal to run on new sealing surface.
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The previously marked side of thrust ring should now face toward engine.