RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
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Remove compression spring -1- from shaft for drive spur gear.
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Remove O-rings -2-.
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Remove bolt - arrow -.
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Remove front bearing cap from cylinder block.
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Remove drive shaft - arrow - for oil pump.
Installing
Note:
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Replace seals and O-rings.
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Drive out sealing rings -2- (for A/C compressor drive) and -3- (for power-steering pump drive) using a drift.
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Remove O-ring -1-.
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Remove sealant residue on front bearing cap and on cylinder block.
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Clean sealing surfaces, they must be free of oil and grease.
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Drive in sealing ring for power-steering pump drive and A/C compressor drive.
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Insert drive shaft - arrow - for oil pump into guide on oil pump.
Note:
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To guarantee that the drive shaft engages correctly in oil pump, insert drive shaft only into oil pump, do not install together with front bearing cap.