S4 V8-4.2L (BHF) (2004)
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Remove compression spring - 1 - from spur gear drive shaft.
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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: Replace seals and O-rings.
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Drive out seals - 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 so they are completely free of any oil or grease.
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Drive in seal for power steering pump drive and A/C compressor drive